Delta Air Lines flight DL 831: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 09:35 Seattle-Tacoma (SEA) 16:00 Austin (AUS)
DL 831 Non-stop Airbus A220-300 (223) 4:25 Effective 2026-01-05 through 2026-03-07
Wed,Thu 10:25 Seattle-Tacoma (SEA) 16:42 Austin (AUS)
DL 831 Non-stop Airbus A220-100 (221) 4:17 Valid until 2026-01-01
Mon,Tue,Fri-Sun 10:40 Seattle-Tacoma (SEA) 16:52 Austin (AUS)
DL 831 Non-stop Airbus A220-300 (223) 4:12 Valid until 2026-01-04
Mon-Fri,Sun 11:00 Seattle-Tacoma (SEA) 17:13 Austin (AUS)
DL 831 Non-stop Airbus A220-100 (221) 4:13 Effective 2026-03-08 through 2026-03-13
Mon-Fri,Sun 11:00 Seattle-Tacoma (SEA) 17:14 Austin (AUS)
DL 831 Non-stop Airbus A220-100 (221) 4:14 Effective 2026-03-15 through 2026-04-12
Mon-Fri,Sun 11:15 Seattle-Tacoma (SEA) 17:27 Austin (AUS)
DL 831 Non-stop Boeing 737-800 (738) 4:12 Effective 2026-04-13 through 2026-05-22
Mon-Fri,Sun 11:15 Seattle-Tacoma (SEA) 17:27 Austin (AUS)
DL 831 Non-stop Boeing 737-800 (738) 4:12 Effective 2026-05-25 through 2026-09-04
Mon-Fri,Sun 11:15 Seattle-Tacoma (SEA) 17:27 Austin (AUS)
DL 831 Non-stop Boeing 737-800 (738) 4:12 Effective from 2026-09-07
Daily 16:55 Austin (AUS) 19:38 Seattle-Tacoma (SEA)
DL 831 Non-stop Airbus A220-300 (223) 4:43 Effective 2026-01-05 through 2026-03-07
Mon-Fri,Sun 18:06 Austin (AUS) 20:47 Seattle-Tacoma (SEA)
DL 831 Non-stop Airbus A220-100 (221) 4:41 Effective 2026-03-08 through 2026-03-13
Mon-Fri,Sun 18:06 Austin (AUS) 20:49 Seattle-Tacoma (SEA)
DL 831 Non-stop Airbus A220-100 (221) 4:43 Effective 2026-03-15 through 2026-04-12
Mon-Fri,Sun 18:08 Austin (AUS) 20:47 Seattle-Tacoma (SEA)
DL 831 Non-stop Boeing 737-800 (738) 4:39 Effective 2026-04-13 through 2026-05-22
Mon-Fri,Sun 18:08 Austin (AUS) 20:47 Seattle-Tacoma (SEA)
DL 831 Non-stop Boeing 737-800 (738) 4:39 Effective 2026-05-25 through 2026-09-04
Mon-Fri,Sun 18:08 Austin (AUS) 20:47 Seattle-Tacoma (SEA)
DL 831 Non-stop Boeing 737-800 (738) 4:39 Effective 2026-09-07 through 2026-10-05
Mon-Fri,Sun 18:08 Austin (AUS) 20:45 Seattle-Tacoma (SEA)
DL 831 Non-stop Boeing 737-800 (738) 4:37 Effective from 2026-10-06
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This flight number is listed as serving the following routes:


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Delta Air Lines flight DL 831: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL831
09:35
Seattle-Tacoma (SEA)

16:00
Austin (AUS)
Effective 2026-01-05 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:25, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL831
10:25
Seattle-Tacoma (SEA)

16:42
Austin (AUS)
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:17, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL831
10:40
Seattle-Tacoma (SEA)

16:52
Austin (AUS)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 4:12, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL831
11:00
Seattle-Tacoma (SEA)

17:13
Austin (AUS)
Effective 2026-03-08 through 2026-03-13
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:13, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL831
11:00
Seattle-Tacoma (SEA)

17:14
Austin (AUS)
Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:14, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL831
11:15
Seattle-Tacoma (SEA)

17:27
Austin (AUS)
Effective 2026-04-13 through 2026-05-22
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:12, non-stop
Boeing 737-800 (738)
Direct Flights:
Delta Air Lines DL831
11:15
Seattle-Tacoma (SEA)

17:27
Austin (AUS)
Effective 2026-05-25 through 2026-09-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:12, non-stop
Boeing 737-800 (738)
Direct Flights:
Delta Air Lines DL831
11:15
Seattle-Tacoma (SEA)

17:27
Austin (AUS)
Effective from 2026-09-07
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:12, non-stop
Boeing 737-800 (738)
Direct Flights:
Delta Air Lines DL831
16:55
Austin (AUS)

19:38
Seattle-Tacoma (SEA)
Effective 2026-01-05 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:43, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL831
18:06
Austin (AUS)

20:47
Seattle-Tacoma (SEA)
Effective 2026-03-08 through 2026-03-13
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:41, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL831
18:06
Austin (AUS)

20:49
Seattle-Tacoma (SEA)
Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:43, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL831
18:08
Austin (AUS)

20:47
Seattle-Tacoma (SEA)
Effective 2026-04-13 through 2026-05-22
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:39, non-stop
Boeing 737-800 (738)
Direct Flights:
Delta Air Lines DL831
18:08
Austin (AUS)

20:47
Seattle-Tacoma (SEA)
Effective 2026-05-25 through 2026-09-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:39, non-stop
Boeing 737-800 (738)
Direct Flights:
Delta Air Lines DL831
18:08
Austin (AUS)

20:47
Seattle-Tacoma (SEA)
Effective 2026-09-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:39, non-stop
Boeing 737-800 (738)
Direct Flights:
Delta Air Lines DL831
18:08
Austin (AUS)

20:45
Seattle-Tacoma (SEA)
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:37, non-stop
Boeing 737-800 (738)
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This flight number is listed as serving the following routes:
  • Seattle-Tacoma (SEA) - Austin (AUS)
All Delta Air Lines flights
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- CACHE: False - LANG: en - IS_EU: False