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3,598 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 7 in 10.

Best time to leave 5–6 am 98% arrive on time from IAH
Best single flight UA 487 IAH 05:22 → SFO 07:22 · 97% on time Avoid UA 1341 IAH 18:05 → SFO 20:10 · 62% 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
IAH
96
93
77
72
75
76
84
66
74
79
66
55
66
78
% 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.
United 3,598 79% 0.5% 65 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 487 IAH 05:22 SFO 07:22 97%
UA 1768 IAH 07:20 SFO 09:25 89%
UA 1609 IAH 21:59 SFO 00:05 80%
UA 589 IAH 15:30 SFO 17:35 80%
UA 2611 IAH 12:58 SFO 15:03 78%
· · ·
UA 2358 IAH 09:35 SFO 11:35 74%
UA 382 IAH 16:25 SFO 18:30 73%
UA 1341 IAH 18:05 SFO 20:10 62%

All 12 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 487 IAH 05:22 SFO 07:22 4h 00m 309 97% 0.3% 104 min
UA 1768 IAH 07:20 SFO 09:25 4h 05m 350 89% 0.6% 41 min
UA 2744 IAH 08:20 SFO 10:25 4h 05m 93 68% 0.0% 58 min
UA 2358 IAH 09:35 SFO 11:35 4h 00m 365 74% 1.4% 65 min
UA 2611 IAH 12:58 SFO 15:03 4h 05m 242 78% 0.0% 80 min
UA 2756 IAH 12:58 SFO 15:03 4h 05m 37 68% 0.0% 68 min
UA 589 IAH 15:30 SFO 17:35 4h 05m 330 80% 0.0% 75 min
UA 382 IAH 16:25 SFO 18:30 4h 05m 170 73% 0.6% 73 min
UA 1341 IAH 18:05 SFO 20:10 4h 05m 200 62% 1.5% 55 min
UA 1976 IAH 19:35 SFO 21:44 4h 09m 25 33% 0.0% 61 min
UA 2751 IAH 19:35 SFO 21:44 4h 09m 35 31% 0.0% 63 min
UA 1609 IAH 21:59 SFO 00:05 4h 06m 253 80% 1.2% 48 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.
United IAH SFO 4h 10m 79% 0.5% 3,598 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