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1,606 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 63%.

Best time to leave 6–7 am 95% arrive on time from PHL
Best single flight AA 1368 PHL 21:59 → STL 23:32 · 77% 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).

6
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PHL
96
93
93
92
87
80
67
73
75
59
69
53
62
59
73
72
% 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
St Louis flights leaving PHL 3–4 pm: 1Close ×
AA 2714 PHL 15:24 STL 17:02 2h 38m 71 71% 4.2% 88 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.
Southwest 726 80% 0.6% 77 min
American (incl. PSA, Republic) 880 78% 2.5% 75 min

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 1368 PHL 21:59 STL 23:32 77%
All 6 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.
Southwest PHL STL 2h 30m 80% 0.6% 726 Flying now
American PHL STL 2h 39m 78% 2.5% 880 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