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9,033 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Fly Orange County to Bush: 88% arrive on time, against 2 in 3 from Ontario to Hobby.

Best time to leave 5–6 am 94% arrive on time from LAX, 94% arrive on time from ONT
Best airport pair SNA → IAH 88% on time, fewest cancelled (0.0%), 1,092 flights
Best single flight UA 654 LAX 05:45 → IAH 11:12 · 96% on time Avoid F9 1756 LAX 10:06 → IAH 15:35 · 70% 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
23
LAX
96
95
95
91
87
90
88
80
76
62
76
87
78
74
76
80
BUR
93
LGB
97
82
72
58
SNA
97
97
76
91
87
ONT
95
92
83
63
57
39
% 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
Houston flights leaving LAX 6–7 pm: 2Close ×
DL 1287 LAX 18:35 IAH 23:59 3h 24m 281 85% 1.8% 71 min
WN 4858 LAX 18:50 HOU 00:08 3h 18m 26 23% 0.0% 54 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.
United 4,895 88% 0.2% 60 min
Delta LAX→IAH only 646 86% 1.1% 73 min
American (incl. SkyWest) LAX→IAH only 408 83% 0.5% 74 min
Spirit LAX→IAH only 392 76% 1.3% 76 min
Southwest 2,164 74% 0.2% 43 min
Frontier 528 72% 1.7% 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.
UA 654 LAX 05:45 IAH 11:12 96%
UA 491 LAX 00:51 IAH 06:12 92%
UA 1416 LAX 08:10 IAH 13:40 91%
UA 1936 ONT 05:45 IAH 11:04 91%
UA 1680 LAX 19:21 IAH 00:50 87%
· · ·
UA 2403 LAX 17:45 IAH 23:14 82%
UA 1591 LAX 13:10 IAH 18:39 73%
F9 1756 LAX 10:06 IAH 15:35 70%
All 31 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.
United ONT IAH 3h 19m 91% 0.5% 365 Flying now
United SNA IAH 3h 12m 88% 0.0% 1,092 Flying now
United LAX IAH 3h 21m 88% 0.2% 3,438 Flying now
Delta LAX IAH 3h 25m 86% 1.1% 646 Flying now
American LAX IAH 3h 25m 83% 0.5% 408 Flying now
Southwest LGB HOU 3h 05m 79% 0.2% 461 Flying now
Frontier ONT IAH 3h 25m 76% 2.0% 196 Flying now
Southwest LAX HOU 3h 10m 73% 0.2% 1,194 Flying now
Frontier LAX IAH 3h 30m 70% 1.5% 332 Flying now
Southwest ONT HOU 3h 00m 67% 0.0% 362 Flying now
Southwest BUR HOU 3h 15m 89% 0.7% 147 Not flying now
Spirit LAX IAH 3h 19m 76% 1.3% 392 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