United Airlines flight UA 3421: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 06:00 Cleveland (CLE) 07:29 Washington Dulles (IAD)
UA 3421 Non-stop Embraer EMB 175 (E7W) 1:29 Valid until 2026-01-05
Sat,Sun 08:25 Washington Dulles (IAD) 11:26 Dallas Fort Worth (DFW) E
UA 3421 Non-stop Embraer EMB 170 / EMB 175 (E70) 4:01 Valid until 2026-01-04
Thu 09:40 Portland (PWM) 11:46 Washington Dulles (IAD)
UA 3421 Non-stop Embraer EMB 175 (E7W) 2:06 Operates only on 2026-02-12
Daily 09:45 South Bend (SBN) 11:31 Washington Dulles (IAD)
UA 3421 Non-stop Embraer EMB 175 (E7W) 1:46 Effective 2026-02-13 through 2026-03-04
Daily 10:00 South Bend (SBN) 11:52 Washington Dulles (IAD)
UA 3421 Non-stop Embraer EMB 175 (E7W) 1:52 Effective from 2026-03-29
Sat 12:41 Nashville (BNA) 16:09 Newark Liberty, New York (EWR) C
UA 3421 Non-stop Embraer EMB 175 (E7W) 2:28 Effective 2026-01-10 through 2026-02-07
Mon-Fri,Sun 19:13 Cleveland (CLE) 20:59 Newark Liberty, New York (EWR) C
UA 3421 Non-stop Embraer EMB 175 (E7W) 1:46 Effective 2026-01-06 through 2026-02-11
Daily 21:20 Newark Liberty, New York (EWR) C 23:20 John Glenn Columbus (CMH)
UA 3421 Non-stop Embraer EMB 175 (E7W) 2:00 Effective 2026-03-05 through 2026-03-28
Non-Direct Flights:
Sat,Sun 06:00 Cleveland (CLE) 11:26 Dallas Fort Worth (DFW) E
UA 3421 1-stop Embraer EMB 175 (E7W) 6:26 Valid until 2026-01-04
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This flight number is listed as serving the following routes:


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United Airlines flight UA 3421: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA3421
06:00
Cleveland (CLE)

07:29
Washington Dulles (IAD)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:29, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3421
08:25
Washington Dulles (IAD)

11:26
Dallas Fort Worth (DFW) E
Valid until 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 4:01, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
United Airlines UA3421
09:40
Portland (PWM)

11:46
Washington Dulles (IAD)
Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:06, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3421
09:45
South Bend (SBN)

11:31
Washington Dulles (IAD)
Effective 2026-02-13 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:46, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3421
10:00
South Bend (SBN)

11:52
Washington Dulles (IAD)
Effective from 2026-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:52, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3421
12:41
Nashville (BNA)

16:09
Newark Liberty, New York (EWR) C
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:28, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3421
19:13
Cleveland (CLE)

20:59
Newark Liberty, New York (EWR) C
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:46, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3421
21:20
Newark Liberty, New York (EWR) C

23:20
John Glenn Columbus (CMH)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:00, non-stop
Embraer EMB 175 (E7W)
Non-Direct Flights:
United Airlines UA3421
06:00
Cleveland (CLE)

11:26
Dallas Fort Worth (DFW) E
Valid until 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 6:26, 1-stop
Embraer EMB 175 (E7W)
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This flight number is listed as serving the following routes:
  • Cleveland (CLE) - Dallas Fort Worth (DFW)
  • Cleveland (CLE) - Newark Liberty, New York (EWR)
  • Cleveland (CLE) - Washington Dulles (IAD)
  • Nashville (BNA) - Newark Liberty, New York (EWR)
  • Newark Liberty, New York (EWR) - John Glenn Columbus (CMH)
  • Portland (PWM) - Washington Dulles (IAD)
  • South Bend (SBN) - Washington Dulles (IAD)
  • Washington Dulles (IAD) - Dallas Fort Worth (DFW)
All United Airlines flights
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