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1,952 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 barely half.

Best time to leave 7–8 am 95% arrive on time from STL

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
STL
93
91
90
90
94
83
80
73
66
56
49
57
58
61
41
46
% 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.

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 1,952 77% 1.5% 62 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.

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

All 10 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 1396 STL 05:05 DAL 06:45 1h 40m 41 90% 0.0% 92 min
WN 23 STL 08:10 DAL 09:50 1h 40m 26 72% 0.0% 45 min
WN 3790 STL 08:25 DAL 10:05 1h 40m 16 100% 0.0% –
WN 4196 STL 09:45 DAL 11:25 1h 40m 12 92% 0.0% 18 min
WN 3749 STL 12:40 DAL 14:20 1h 40m 16 88% 0.0% 132 min
WN 1322 STL 14:15 DAL 15:55 1h 40m 26 64% 0.0% 90 min
WN 1792 STL 14:20 DAL 16:00 1h 40m 16 75% 0.0% 131 min
WN 1417 STL 17:30 DAL 19:10 1h 40m 26 36% 3.8% 71 min
WN 3597 STL 18:42 DAL 20:22 1h 40m 50 53% 2.0% 48 min
WN 3904 STL 21:50 DAL 23:30 1h 40m 50 30% 0.0% 53 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 STL DAL 1h 45m 77% 1.5% 1,952 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