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Showing United only (incl. its regional partners)All airlines ×
4,121 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 87% depart on time. After 4 pm it’s 3 in 5.

Best time to leave 6–7 am 93% arrive on time from ORD
Best airport pair ORD → SFO 71% on time, fewest cancelled (1.1%), 3,828 flights
Best single flight UA 2106 ORD 21:35 → SFO 00:32 · 78% on time Avoid UA 2179 ORD 18:20 → SFO 21:18 · 48% 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).

6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
ORD
93
88
74
74
62
78
71
72
72
68
74
57
56
44
67
% 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 2106 ORD 21:35 SFO 00:32 78%
UA 1577 ORD 14:30 SFO 17:19 74%
UA 2179 ORD 18:20 SFO 21:18 48%

All 13 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 246 ORD 06:10 SFO 08:47 4h 37m 149 93% 0.7% 52 min
UA 1116 ORD 07:30 SFO 10:19 4h 49m 125 87% 1.6% 72 min
UA 2610 ORD 08:50 SFO 11:38 4h 48m 81 54% 6.2% 76 min
UA 543 ORD 10:25 SFO 13:14 4h 49m 149 63% 2.0% 89 min
UA 1902 ORD 12:45 SFO 15:28 4h 43m 35 29% 0.0% 59 min
UA 1577 ORD 14:30 SFO 17:19 4h 49m 359 74% 1.1% 110 min
UA 1334 ORD 15:26 SFO 18:18 4h 52m 114 66% 0.0% 100 min
UA 2251 ORD 15:57 SFO 18:49 4h 52m 100 69% 0.0% 71 min
UA 511 ORD 16:30 SFO 19:24 4h 54m 123 61% 0.0% 80 min
UA 2179 ORD 18:20 SFO 21:18 4h 58m 339 48% 1.2% 66 min
UA 481 ORD 19:58 SJC 22:43 4h 45m 72 67% 4.2% 97 min
UA 1495 ORD 20:04 SFO 22:57 4h 53m 143 45% 1.4% 78 min
UA 2106 ORD 21:35 SFO 00:32 4h 57m 198 78% 2.5% 67 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 ORD SFO 4h 52m 71% 1.1% 3,828 Flying now
United ORD SJC 4h 55m 69% 1.7% 293 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