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Showing Southwest only (incl. its regional partners)All airlines ×
4,053 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 58%.

Best time to leave 6–7 am 94% arrive on time from DAL
Best single flight WN 1628 DAL 06:00 → HOU 07:10 · 93% on time Avoid WN 45 DAL 17:30 → HOU 18:45 · 60% 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
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
DAL
96
96
87
89
87
82
83
70
77
60
67
55
52
61
59
45
43
% 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.
WN 1628 DAL 06:00 HOU 07:10 93%
WN 1 DAL 07:00 HOU 08:10 92%
WN 15 DAL 10:00 HOU 11:15 90%
WN 7 DAL 08:30 HOU 09:45 84%
WN 19 DAL 11:30 HOU 12:45 80%
· · ·
WN 37 DAL 15:30 HOU 16:50 66%
WN 51 DAL 19:05 HOU 20:20 66%
WN 45 DAL 17:30 HOU 18:45 60%

All 26 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 1628 DAL 06:00 HOU 07:10 1h 10m 278 93% 1.1% 47 min
WN 1 DAL 07:00 HOU 08:10 1h 10m 196 92% 0.0% 40 min
WN 3 DAL 07:30 HOU 08:45 1h 15m 107 92% 0.9% 54 min
WN 7 DAL 08:30 HOU 09:45 1h 15m 178 84% 0.6% 51 min
WN 9 DAL 09:20 HOU 10:35 1h 15m 106 84% 2.8% 38 min
WN 11 DAL 09:30 HOU 10:45 1h 15m 64 89% 0.0% 63 min
WN 15 DAL 10:00 HOU 11:15 1h 15m 165 90% 3.0% 82 min
WN 23 DAL 10:30 HOU 11:45 1h 15m 124 82% 2.4% 48 min
WN 17 DAL 11:00 HOU 12:15 1h 15m 101 91% 4.0% 39 min
WN 19 DAL 11:30 HOU 12:45 1h 15m 204 80% 4.4% 76 min
WN 25 DAL 12:30 HOU 13:45 1h 15m 133 79% 0.8% 68 min
WN 27 DAL 13:00 HOU 14:15 1h 15m 122 78% 4.1% 64 min
WN 29 DAL 13:30 HOU 14:45 1h 15m 77 51% 2.6% 45 min
WN 31 DAL 14:00 HOU 15:15 1h 15m 129 80% 0.8% 58 min
WN 35 DAL 15:15 HOU 16:30 1h 15m 22 71% 4.5% 44 min
WN 37 DAL 15:30 HOU 16:50 1h 20m 194 66% 5.2% 64 min
WN 39 DAL 16:15 HOU 17:30 1h 15m 151 69% 1.3% 54 min
WN 41 DAL 16:30 HOU 17:45 1h 15m 169 68% 1.8% 50 min
WN 45 DAL 17:30 HOU 18:45 1h 15m 169 60% 0.6% 63 min
WN 49 DAL 18:35 HOU 19:50 1h 15m 54 58% 3.7% 56 min
WN 51 DAL 19:05 HOU 20:20 1h 15m 226 66% 0.4% 59 min
WN 53 DAL 19:30 HOU 20:45 1h 15m 63 71% 1.6% 47 min
WN 55 DAL 20:00 HOU 21:15 1h 15m 51 57% 0.0% 68 min
WN 57 DAL 20:30 HOU 21:40 1h 10m 216 72% 2.8% 60 min
WN 59 DAL 21:00 HOU 22:12 1h 12m 51 47% 0.0% 54 min
WN 63 DAL 22:00 HOU 23:12 1h 12m 100 55% 2.0% 47 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 DAL HOU 1h 15m 76% 1.9% 4,053 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