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9,038 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am from Bush: 94% depart on time. After 4 pm it’s 73%.

Best time to leave 6–7 am 98% arrive on time from HOU, 96% arrive on time from IAH
Best airport pair IAH → SNA 88% on time, fewest cancelled (0.0%), 1,092 flights
Best single flight DL 1216 IAH 07:10 → LAX 08:39 · 94% on time Avoid F9 1755 IAH 16:02 → LAX 17:30 · 75% 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).

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
IAH
95
94
90
91
83
87
82
83
77
74
75
75
76
79
76
HOU
94
100
89
87
91
78
74
66
69
51
80
67
68
75
62
48
59
45
% 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.
Delta IAH→LAX only 646 89% 1.1% 77 min
United 4,896 86% 0.2% 56 min
Spirit IAH→LAX only 394 82% 1.3% 72 min
American (incl. SkyWest) IAH→LAX only 409 81% 0.5% 80 min
Southwest 2,165 79% 0.2% 48 min
Frontier 528 76% 0.8% 61 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.
DL 1216 IAH 07:10 LAX 08:39 94%
UA 2600 IAH 07:20 LAX 08:57 91%
UA 1383 IAH 09:30 SNA 10:59 91%
UA 469 IAH 09:53 LAX 11:30 89%
UA 1945 IAH 14:54 LAX 16:27 89%
· · ·
F9 3131 IAH 06:10 ONT 07:32 78%
UA 2095 IAH 20:15 LAX 21:54 76%
F9 1755 IAH 16:02 LAX 17:30 75%

All 36 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.
UA 2110 IAH 06:00 LAX 07:29 3h 29m 37 100% 0.0% –
UA 417 IAH 06:00 LAX 07:29 3h 29m 35 97% 0.0% 19 min
F9 3131 IAH 06:10 ONT 07:32 3h 31m 196 78% 0.5% 56 min
DL 1216 IAH 07:10 LAX 08:39 3h 29m 365 94% 0.5% 65 min
UA 2600 IAH 07:20 LAX 08:57 3h 37m 355 91% 0.0% 39 min
WN 2007 HOU 07:30 LAX 08:55 3h 25m 50 84% 0.0% 32 min
WN 2019 HOU 07:45 LGB 09:00 3h 15m 26 81% 0.0% 54 min
WN 4391 HOU 07:45 ONT 08:55 3h 10m 26 77% 0.0% 38 min
WN 803 HOU 08:25 LGB 09:45 3h 20m 16 94% 0.0% 32 min
UA 1383 IAH 09:30 SNA 10:59 3h 29m 365 91% 0.0% 46 min
UA 469 IAH 09:53 LAX 11:30 3h 37m 349 89% 0.6% 51 min
WN 2008 HOU 11:55 LAX 13:20 3h 25m 26 73% 0.0% 84 min
UA 2780 IAH 12:30 SNA 14:03 3h 33m 36 86% 0.0% 32 min
UA 1172 IAH 12:30 SNA 14:03 3h 33m 88 85% 0.0% 61 min
UA 2460 IAH 12:33 LAX 14:06 3h 33m 365 87% 0.3% 73 min
UA 1945 IAH 14:54 LAX 16:27 3h 33m 302 89% 0.0% 60 min
UA 1951 IAH 14:54 LAX 16:27 3h 33m 31 84% 0.0% 35 min
WN 3970 HOU 14:55 LAX 16:20 3h 25m 16 62% 0.0% 35 min
F9 1755 IAH 16:02 LAX 17:30 3h 36m 330 75% 0.9% 62 min
DL 1143 IAH 16:09 LAX 17:30 3h 21m 79 76% 1.3% 103 min
UA 1743 IAH 16:31 LAX 18:08 3h 37m 360 82% 0.0% 67 min
UA 2755 IAH 18:33 LAX 20:10 3h 37m 32 81% 0.0% 45 min
UA 2658 IAH 18:38 LAX 20:15 3h 37m 177 82% 0.0% 60 min
WN 4857 HOU 19:10 LAX 20:35 3h 25m 46 39% 0.0% 39 min
WN 4802 HOU 19:25 LAX 20:50 3h 25m 12 50% 0.0% 31 min
UA 483 IAH 19:50 LAX 21:26 3h 36m 59 73% 0.0% 43 min
UA 2766 IAH 20:12 SNA 21:45 3h 33m 35 79% 0.0% 33 min
UA 2761 IAH 20:12 SNA 21:45 3h 33m 36 83% 0.0% 42 min
AA 5005flown by SkyWest IAH 20:15 LAX 21:55 3h 40m 71 80% 1.4% 51 min
UA 2095 IAH 20:15 LAX 21:54 3h 39m 346 76% 0.3% 51 min
UA 1563 IAH 20:31 ONT 21:55 3h 24m 324 79% 0.0% 66 min
WN 1967 HOU 21:25 ONT 22:35 3h 10m 16 50% 0.0% 43 min
WN 207 HOU 21:40 LAX 23:08 3h 28m 16 56% 0.0% 38 min
UA 2215 IAH 22:03 LAX 23:38 3h 35m 28 75% 0.0% 44 min
UA 2782 IAH 22:03 LAX 23:38 3h 35m 35 80% 0.0% 55 min
WN 2011 HOU 22:40 LAX 00:08 3h 28m 26 50% 0.0% 40 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.
Delta IAH LAX 3h 41m 89% 1.1% 646 Flying now
United IAH SNA 3h 41m 88% 0.0% 1,092 Flying now
Southwest HOU LGB 3h 28m 87% 0.4% 461 Flying now
United IAH LAX 3h 37m 85% 0.3% 3,439 Flying now
American IAH LAX 3h 46m 81% 0.5% 409 Flying now
Southwest HOU ONT 3h 25m 80% 0.3% 362 Flying now
United IAH ONT 3h 26m 79% 0.0% 365 Flying now
Frontier IAH ONT 3h 31m 78% 0.5% 196 Flying now
Frontier IAH LAX 3h 36m 75% 0.9% 332 Flying now
Southwest HOU LAX 3h 35m 75% 0.1% 1,195 Flying now
Southwest HOU BUR 3h 35m 82% 0.0% 147 Not flying now
Spirit IAH LAX 3h 41m 82% 1.3% 394 Not 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