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5,229 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 68%.

Best time to leave 5–6 am 93% arrive on time from SEA
Best single flight AA 2748 SEA 05:05 → DFW 11:02 · 94% on time Avoid AA 727 SEA 17:38 → DFW 23:39 · 60% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
SEA
93
92
89
89
80
73
63
71
76
70
66
71
72
73
58
% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55
Dallas-Fort Worth flights leaving SEA 11 am–12 pm: 1Close ×
AA 767 SEA 11:40 DFW 17:50 4h 10m 356 68% 1.1% 79 min

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
Alaska 1,756 81% 0.9% 45 min
American 2,738 78% 2.6% 96 min
Delta 715 76% 1.7% 83 min
Frontier 20 – 0.0% 29 min

Dimmed: fewer than 150 flights in the year, too few to rank.

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
AA 2748 SEA 05:05 DFW 11:02 94%
AS 414 SEA 06:02 DFW 11:59 90%
AA 1667 SEA 07:26 DFW 13:20 89%
DL 803 SEA 09:15 DFW 15:17 81%
AS 424 SEA 17:56 DFW 23:59 80%
· · ·
AS 549 SEA 12:13 DFW 18:21 72%
AA 767 SEA 11:40 DFW 17:50 68%
AA 727 SEA 17:38 DFW 23:39 60%
All 21 flights on this route →

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
Alaska SEA DFW 4h 02m 81% 0.9% 1,756 Flying now
American SEA DFW 3h 58m 78% 2.6% 2,738 Flying now
Delta SEA DFW 4h 02m 76% 1.7% 715 Flying now
Frontier SEA DFW 3h 52m 50%few flights 0.0% 20 Not flying now
Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON