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1,559 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 62%.

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

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
22
HOU
95
92
96
83
69
71
69
88
54
62
82
57
70
56
59
% 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 1,559 80% 0.4% 51 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 9 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 4084 HOU 07:20 STL 09:25 2h 05m 41 83% 0.0% 64 min
WN 3662 HOU 07:35 STL 09:35 2h 00m 17 94% 0.0% 17 min
WN 2084 HOU 10:40 STL 12:45 2h 05m 34 76% 0.0% 86 min
WN 1643 HOU 11:05 STL 13:05 2h 00m 16 80% 6.2% 129 min
WN 4642 HOU 13:20 STL 15:20 2h 00m 42 76% 0.0% 30 min
WN 5064 HOU 15:00 STL 17:00 2h 00m 12 73% 8.3% 98 min
WN 4724 HOU 17:10 STL 19:10 2h 00m 26 73% 0.0% 29 min
WN 1413 HOU 19:05 STL 21:10 2h 05m 16 69% 0.0% 35 min
WN 2087 HOU 22:40 STL 00:45 2h 00m 33 76% 0.0% 50 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 HOU STL 2h 00m 80% 0.4% 1,559 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