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Showing Southwest only (incl. its regional partners)All airlines ×
1,039 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 94% depart on time. After 4 pm it’s 2 in 5.

Best time to leave 5–6 am 95% arrive on time from SEA

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).

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% 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

Pick an hour to see this route’s flights leaving then.

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.

No Southwest flight on this route ran 150+ times in the year.

All 7 Southwest flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.

WN 875 SEA 06:15 PHX 09:05 2h 50m 16 88% 0.0% 24 min
WN 3001 SEA 06:30 PHX 09:15 2h 45m 26 96% 0.0% 16 min
WN 882 SEA 10:55 PHX 13:50 2h 55m 16 44% 0.0% 23 min
WN 3623 SEA 11:10 PHX 14:05 2h 55m 26 35% 0.0% 52 min
WN 3190 SEA 14:00 PHX 17:05 3h 05m 16 56% 0.0% 37 min
WN 3354 SEA 17:20 PHX 20:15 2h 55m 33 25% 0.0% 51 min
WN 868 SEA 19:10 PHX 22:05 2h 55m 25 54% 4.0% 65 min

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.

Southwest SEA PHX 2h 50m 68% 0.8% 1,039 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