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Showing United only (incl. its regional partners)All airlines ×
4,123 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 94% depart on time. After 4 pm it’s 3 in 4.

Best time to leave 5–6 am 95% arrive on time from SFO
Best airport pair SJC → ORD 92% on time, 1.7% cancelled, 293 flights
Best single flight UA 2091 SFO 06:05 → ORD 12:41 · 93% on time Avoid UA 1954 SFO 10:05 → ORD 16:38 · 72% 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
95
95
94
91
77
74
78
69
71
71
78
69
76
79
SJC
96
92
% 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.

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 2091 SFO 06:05 ORD 12:41 93%
UA 1568 SFO 08:15 ORD 14:50 85%
UA 2278 SFO 22:38 ORD 05:01 81%
UA 1482 SFO 16:21 ORD 22:59 81%
UA 1954 SFO 10:05 ORD 16:38 72%

All 18 United 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 279 SFO 00:50 ORD 07:16 4h 26m 35 71% 0.0% 50 min
UA 1850 SFO 00:50 ORD 07:16 4h 26m 37 86% 0.0% 39 min
UA 2000 SFO 05:05 ORD 11:29 4h 24m 56 95% 0.0% 56 min
UA 2091 SFO 06:05 ORD 12:41 4h 36m 309 93% 0.0% 59 min
UA 2451 SJC 06:30 ORD 12:54 4h 24m 37 97% 5.4% 16 min
UA 1317 SJC 06:30 ORD 12:54 4h 24m 62 89% 1.6% 32 min
UA 1568 SFO 08:15 ORD 14:50 4h 35m 189 85% 0.5% 104 min
UA 1954 SFO 10:05 ORD 16:38 4h 33m 186 72% 0.5% 57 min
UA 2317 SFO 12:00 ORD 18:35 4h 35m 72 50% 2.8% 83 min
UA 737 SFO 14:06 ORD 20:40 4h 34m 35 56% 2.9% 102 min
UA 1777 SFO 14:29 ORD 21:03 4h 34m 96 46% 0.0% 73 min
UA 2480 SFO 15:10 ORD 21:38 4h 28m 47 53% 2.1% 76 min
UA 1482 SFO 16:21 ORD 22:59 4h 38m 277 81% 0.4% 84 min
UA 2077 SFO 16:21 ORD 22:59 4h 38m 26 69% 0.0% 128 min
UA 1375 SFO 18:34 ORD 00:59 4h 25m 32 58% 0.0% 113 min
UA 1763 SFO 18:34 ORD 00:59 4h 25m 46 67% 0.0% 86 min
UA 2278 SFO 22:38 ORD 05:01 4h 23m 170 81% 2.4% 91 min
UA 368 SFO 23:30 ORD 05:57 4h 27m 72 86% 1.4% 42 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 SJC ORD 4h 24m 92% 1.7% 293 Flying now
United SFO ORD 4h 26m 78% 0.9% 3,830 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