Southwest Airlines flight WN 1866: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 05:55 Fort Lauderdale (FLL) 1 07:55 Chicago Midway (MDW)
WN 1866 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-06-04 through 2026-08-03
Sun 06:10 Fort Lauderdale (FLL) 1 08:10 Chicago Midway (MDW)
WN 1866 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-06-07 through 2026-08-02
Sat 07:00 Fort Lauderdale (FLL) 1 09:05 Chicago Midway (MDW)
WN 1866 Non-stop Boeing 737-700 (Scimitar Winglets) 3:05 Effective 2026-06-06 through 2026-08-01
Tue,Wed 07:00 Fort Lauderdale (FLL) 1 09:05 Chicago Midway (MDW)
WN 1866 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Effective 2026-06-09 through 2026-07-29
Daily 08:05 Honolulu (HNL) 2 08:50 Kahului (OGG)
WN 1866 Non-stop Boeing 737 MAX 8 (7M8) 0:45 Effective 2026-08-04 through 2026-09-30
Sat 08:25 Denver (DEN) 11:35 San Antonio (SAT) A
WN 1866 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-03-07 through 2026-04-04
Sun 08:25 Denver (DEN) 11:35 San Antonio (SAT) A
WN 1866 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-03-08 through 2026-04-05
Sun 08:50 Chicago Midway (MDW) 10:30 Denver (DEN)
WN 1866 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-06-07 through 2026-08-02
Mon,Thu,Fri 10:00 San Jose (SJC) B 11:20 Santa Ana (SNA)
WN 1866 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-03-05 through 2026-04-06
Sat 10:55 Burbank (BUR) 12:05 Las Vegas Harry Reid (LAS) 1
WN 1866 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-02-14 through 2026-02-28
Sat 11:10 Burbank (BUR) 12:20 Las Vegas Harry Reid (LAS) 1
WN 1866 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-01-10 through 2026-02-07
Mon,Thu,Fri 11:10 Burbank (BUR) 12:20 Las Vegas Harry Reid (LAS) 1
WN 1866 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 11:10 Burbank (BUR) 12:20 Las Vegas Harry Reid (LAS) 1
WN 1866 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-02-20 through 2026-03-01
Thu,Fri,Sun 11:15 Burbank (BUR) 12:25 Las Vegas Harry Reid (LAS) 1
WN 1866 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-01-11 through 2026-01-16
Mon,Sun 11:15 Burbank (BUR) 12:25 Las Vegas Harry Reid (LAS) 1
WN 1866 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 11:15 Burbank (BUR) 12:25 Las Vegas Harry Reid (LAS) 1
WN 1866 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-02-01 through 2026-02-06
Mon,Sun 11:15 Burbank (BUR) 12:25 Las Vegas Harry Reid (LAS) 1
WN 1866 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 11:15 Burbank (BUR) 12:25 Las Vegas Harry Reid (LAS) 1
WN 1866 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-02-17 through 2026-02-23
Mon 11:15 Burbank (BUR) 12:25 Las Vegas Harry Reid (LAS) 1
WN 1866 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Operates only on 2026-03-02
Mon,Thu,Fri 11:55 Santa Ana (SNA) 15:15 Denver (DEN)
WN 1866 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2026-03-05 through 2026-04-06
Sat 13:00 Las Vegas Harry Reid (LAS) 1 14:30 Reno (RNO)
WN 1866 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-01-10 through 2026-02-07
Mon,Thu,Fri 13:00 Las Vegas Harry Reid (LAS) 1 15:55 Seattle-Tacoma (SEA)
WN 1866 Non-stop Boeing 737-700 (Scimitar Winglets) 2:55 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 13:00 Las Vegas Harry Reid (LAS) 1 15:55 Seattle-Tacoma (SEA)
WN 1866 Non-stop Boeing 737-700 (Scimitar Winglets) 2:55 Effective 2026-02-20 through 2026-03-01
Sun 14:40 Baltimore (BWI) 17:15 Fort Myers (RSW)
WN 1866 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Operates only on 2026-05-24
Mon,Thu,Fri 14:45 Baltimore (BWI) 17:20 Fort Myers (RSW)
WN 1866 Non-stop Boeing 737-800 (73H) 2:35 Effective 2026-04-09 through 2026-06-01
Tue,Wed 15:00 Baltimore (BWI) 17:35 Fort Myers (RSW)
WN 1866 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-04-07 through 2026-06-03
Mon,Thu,Fri 15:55 Denver (DEN) 21:25 New York LaGuardia (LGA) B
WN 1866 Non-stop Boeing 737-700 (Scimitar Winglets) 3:30 Effective 2026-03-05 through 2026-04-06
Sat 16:10 Baltimore (BWI) 18:45 Fort Myers (RSW)
WN 1866 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Effective 2026-04-11 through 2026-05-30
Mon,Tue,Fri,Sun 16:20 San Diego (SAN) 1 00:10 Baltimore (BWI)
WN 1866 Non-stop Boeing 737 MAX 8 (7M8) 4:50 Valid until 2026-01-02
The flight arrives 1 day after departure.
Sun 16:20 San Diego (SAN) 1 00:10 Baltimore (BWI)
WN 1866 Non-stop Boeing 737-700 (Scimitar Winglets) 4:50 Operates only on 2026-01-04
The flight arrives 1 day after departure.
Sun 17:00 Baltimore (BWI) 19:35 Fort Myers (RSW)
WN 1866 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-04-12 through 2026-05-17
Sun 17:00 Baltimore (BWI) 19:35 Fort Myers (RSW)
WN 1866 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Operates only on 2026-05-31
Non-Direct Flights:
Sun 06:10 Fort Lauderdale (FLL) 1 10:30 Denver (DEN)
WN 1866 1-stop Boeing 737 MAX 8 (7M8) 6:20 Effective 2026-06-07 through 2026-08-02
Mon,Thu,Fri 10:00 San Jose (SJC) B 15:15 Denver (DEN)
WN 1866 1-stop Boeing 737-700 (Scimitar Winglets) 4:15 Effective 2026-03-05 through 2026-04-06
Sat 11:10 Burbank (BUR) 14:30 Reno (RNO)
WN 1866 1-stop Boeing 737-700 (Scimitar Winglets) 3:20 Effective 2026-01-10 through 2026-02-07
Mon,Thu,Fri 11:10 Burbank (BUR) 15:55 Seattle-Tacoma (SEA)
WN 1866 1-stop Boeing 737-700 (Scimitar Winglets) 4:45 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 11:10 Burbank (BUR) 15:55 Seattle-Tacoma (SEA)
WN 1866 1-stop Boeing 737-700 (Scimitar Winglets) 4:45 Effective 2026-02-20 through 2026-03-01
Mon,Thu,Fri 11:55 Santa Ana (SNA) 21:25 New York LaGuardia (LGA) B
WN 1866 1-stop Boeing 737-700 (Scimitar Winglets) 6:30 Effective 2026-03-05 through 2026-04-06
Mon,Thu,Fri 10:00 San Jose (SJC) B 21:25 New York LaGuardia (LGA) B
WN 1866 2-stop Boeing 737-700 (Scimitar Winglets) 8:25 Effective 2026-03-05 through 2026-04-06
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This flight number is listed as serving the following routes:
Southwest Airlines flight WN 1866: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Southwest Airlines WN1866
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-08-04 through 2026-09-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1866
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1866
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1866
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1866
16:20

00:10(+1)
Valid until 2026-01-02
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:50, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN1866
16:20

00:10(+1)
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:50, non-stop
Boeing 737-700 (Scimitar Winglets)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN1866
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1866
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN1866
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:20, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN1866
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:15, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN1866
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:20, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN1866
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:45, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN1866
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:45, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN1866
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 6:30, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN1866
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 8:25, 2-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Fort Myers (RSW)
  • Burbank (BUR) - Las Vegas Harry Reid (LAS)
  • Burbank (BUR) - Reno (RNO)
  • Burbank (BUR) - Seattle-Tacoma (SEA)
  • Chicago Midway (MDW) - Denver (DEN)
  • Denver (DEN) - New York LaGuardia (LGA)
  • Denver (DEN) - San Antonio (SAT)
  • Fort Lauderdale (FLL) - Chicago Midway (MDW)
  • Fort Lauderdale (FLL) - Denver (DEN)
  • Honolulu (HNL) - Kahului (OGG)
  • Las Vegas Harry Reid (LAS) - Reno (RNO)
  • Las Vegas Harry Reid (LAS) - Seattle-Tacoma (SEA)
  • San Diego (SAN) - Baltimore (BWI)
  • San Jose (SJC) - Denver (DEN)
  • San Jose (SJC) - New York LaGuardia (LGA)
  • San Jose (SJC) - Santa Ana (SNA)
  • Santa Ana (SNA) - Denver (DEN)
  • Santa Ana (SNA) - New York LaGuardia (LGA)