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Showing Southwest only (incl. its regional partners)All airlines ×
1,236 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 9–10 pm 94% arrive on time from PHX

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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PHX
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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 5 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 3139 PHX 05:05 BWI 12:30 4h 25m 16 88% 0.0% 40 min
WN 1039 PHX 09:30 BWI 16:55 4h 25m 26 68% 3.8% 28 min
WN 2491 PHX 10:00 BWI 17:25 4h 25m 16 67% 6.2% 59 min
WN 4347 PHX 16:25 BWI 23:45 4h 22m 34 56% 0.0% 60 min
WN 1170 PHX 22:25 BWI 05:40 4h 15m 24 92% 0.0% 29 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 PHX BWI 4h 15m 81% 0.9% 1,236 Flying now

Alternatives with one stop

All connections →
SouthwestDetails → PHX 05:00 → STL 09:50WN 3352 1h 10m St Louis STL 11:00 → BWI 14:05WN 4614 6h 05m 95% 70%
SouthwestDetails → PHX 07:05 → DEN 09:50WN 116 1h 05m Denver DEN 10:55 → BWI 16:20WN 4434 6h 20m 84% 66%
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