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7,226 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 73%.

Best time to leave 5–6 am 96% arrive on time from PHX
Best single flight DL 2444 PHX 06:55 → SEA 10:05 · 95% on time Avoid AS 611 PHX 18:53 → SEA 22:00 · 81% 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
PHX
97
95
92
87
83
87
87
89
83
80
77
75
77
73
84
72
49
41
% 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
Seattle flights leaving PHX 8–9 am: 1Close ×
WN 3330 PHX 08:35 SEA 11:40 3h 05m 50 72% 0.0% 39 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.
Delta 1,765 88% 1.0% 77 min
American (incl. Envoy, SkyWest) 1,398 87% 0.2% 57 min
Alaska 2,884 85% 0.7% 58 min
Southwest 1,040 65% 0.6% 46 min
Frontier 139 – 0.0% 78 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.
DL 2444 PHX 06:55 SEA 10:05 95%
DL 2419 PHX 12:05 SEA 15:18 94%
AS 605 PHX 06:00 SEA 09:14 93%
AS 401 PHX 15:54 SEA 19:07 89%
AS 603 PHX 11:23 SEA 14:30 89%
· · ·
AS 799 PHX 06:02 SEA 09:08 83%
DL 2442 PHX 17:35 SEA 20:41 82%
AS 611 PHX 18:53 SEA 22:00 81%
All 28 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.
Delta PHX SEA 3h 13m 88% 1.0% 1,765 Flying now
American PHX SEA 3h 18m 87% 0.2% 1,398 Flying now
Alaska PHX SEA 3h 12m 85% 0.7% 2,884 Flying now
Southwest PHX SEA 3h 05m 65% 0.6% 1,040 Flying now
Frontier PHX SEA 3h 15m 85% 0.0% 139 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