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4,554 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 6–7 am 98% arrive on time from SJC, 93% arrive on time from OAK
Best airport pair SJC → HOU 90% on time, 0.3% cancelled, 365 flights
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
17
18
19
20
21
22
23
SFO
97
98
92
87
85
75
85
84
81
78
80
86
76
OAK
96
93
93
61
SJC
99
98
92
73
82
% 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 SFO 12–1 pm: 1Close ×
UA 1387 SFO 12:15 IAH 18:27 4h 12m 257 78% 0.4% 48 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 3,813 85% 0.3% 55 min
Southwest 741 84% 0.4% 38 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 16 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.
Southwest SJC HOU 3h 40m 90% 0.3% 365 Flying now
United SFO IAH 3h 55m 85% 0.3% 3,598 Flying now
Southwest OAK HOU 3h 45m 79% 0.5% 376 Flying now
United SJC IAH 3h 53m 76% 0.0% 215 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