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7,225 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 3 in 4.

Best time to leave 5–6 am 95% arrive on time from SEA
Best single flight DL 2419 SEA 08:10 → PHX 11:08 · 92% on time Avoid AS 644 SEA 20:50 → PHX 23:49 · 70% 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
SEA
97
93
93
91
82
70
73
79
77
79
76
73
70
78
71
74
% 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
Phoenix flights leaving SEA 4–5 pm: 1Close ×
AS 744 SEA 16:55 PHX 19:53 2h 58m 333 75% 0.0% 48 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.
American (incl. Envoy, SkyWest) 1,394 84% 0.2% 77 min
Delta 1,766 83% 1.0% 72 min
Alaska 2,887 80% 0.6% 45 min
Southwest 1,039 68% 0.8% 49 min
Frontier 139 – 4.3% 143 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 2419 SEA 08:10 PHX 11:08 92%
AS 606 SEA 07:17 PHX 10:20 88%
AS 604 SEA 19:06 PHX 22:02 87%
AS 449 SEA 09:46 PHX 12:45 84%
DL 2442 SEA 13:30 PHX 16:37 82%
· · ·
AS 744 SEA 16:55 PHX 19:53 75%
AS 632 SEA 19:55 PHX 22:53 74%
AS 644 SEA 20:50 PHX 23:49 70%
All 29 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.
American SEA PHX 3h 02m 84% 0.2% 1,394 Flying now
Delta SEA PHX 3h 00m 83% 1.0% 1,766 Flying now
Alaska SEA PHX 2h 59m 80% 0.6% 2,887 Flying now
Southwest SEA PHX 2h 50m 68% 0.8% 1,039 Flying now
Frontier SEA PHX 3h 02m 71% 4.3% 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