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4,554 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 7 in 10.

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 flights leaving within 15 minutes, by scheduled departure hour: all flights from that airport, wherever they’re going. Blank: fewer than 40 flights.

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
SFO
96
94
92
90
82
73
72
68
71
68
65
71
69
76
75
68
73
70
73
OAK
95
95
93
91
89
83
76
77
74
68
69
63
65
68
64
64
48
52
68
SJC
95
95
95
93
91
86
83
82
79
73
71
73
75
72
73
73
62
87
% leaving within 15 min, all flights from that airport: 85+75–8465–7455–64under 55

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
Pick a date and this becomes a forecast Coming soon: within 3 days of travel, the same ranking will use that day’s weather and our odds for each flight.

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