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

Leave before 9 am: almost all depart on time. After 4 pm it’s 4 in 5.

Best time to leave 5–6 am 97% arrive on time from SFO
Best single flight UA 2305 SFO 16:40 → IAH 22:52 · 85% on time Avoid UA 1387 SFO 12:15 → IAH 18:27 · 78% 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
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18
19
20
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SFO
97
98
92
87
85
75
85
84
81
78
80
86
76
% 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 85% 0.3% 55 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 2305 SFO 16:40 IAH 22:52 85%
UA 505 SFO 23:59 IAH 06:04 82%
UA 1387 SFO 12:15 IAH 18:27 78%

All 11 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 604 SFO 00:45 IAH 06:34 3h 49m 125 83% 0.0% 77 min
UA 2168 SFO 05:00 IAH 10:55 3h 55m 149 97% 1.3% 45 min
UA 686 SFO 07:05 IAH 13:11 4h 06m 149 95% 0.7% 66 min
UA 2110 SFO 08:55 IAH 15:07 4h 12m 35 94% 0.0% 20 min
UA 2498 SFO 08:55 IAH 15:07 4h 12m 90 89% 0.0% 69 min
UA 1259 SFO 10:50 IAH 16:52 4h 02m 72 61% 0.0% 39 min
UA 1387 SFO 12:15 IAH 18:27 4h 12m 257 78% 0.4% 48 min
UA 2002 SFO 14:28 IAH 20:40 4h 12m 93 71% 0.0% 35 min
UA 2305 SFO 16:40 IAH 22:52 4h 12m 310 85% 0.0% 70 min
UA 1702 SFO 18:54 IAH 00:59 4h 05m 59 83% 0.0% 73 min
UA 505 SFO 23:59 IAH 06:04 4h 05m 327 82% 0.3% 60 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 SFO IAH 3h 55m 85% 0.3% 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