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7,427 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 72%.

Best time to leave 6–7 am 93% arrive on time from SJC, 92% arrive on time from SFO
Best airport pair SJC → ORD 93% on time, 1.7% cancelled, 301 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
94
94
94
90
75
59
71
68
66
69
70
67
69
75
70
OAK
91
84
68
SJC
95
90
70
52
87
% 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.
Southwest 1,509 82% 0.5% 38 min
United 4,123 79% 1.0% 74 min
American 1,776 73% 1.7% 107 min
Alaska SFO→ORD only 19 – 5.3% 50 min

Dimmed: fewer than 150 flights in the year, too few to rank.

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%
AA 2614 SFO 06:00 ORD 12:31 92%
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 32 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
WN 2744 OAK 05:10 MDW 11:15 4h 05m 26 88% 0.0% 22 min
WN 3901 SFO 05:15 MDW 11:25 4h 10m 16 94% 0.0% 36 min
WN 1779 SFO 05:50 MDW 12:00 4h 10m 41 83% 0.0% 29 min
WN 2761 OAK 05:55 MDW 12:00 4h 05m 16 69% 0.0% 26 min
AA 2614 SFO 06:00 ORD 12:31 4h 27m 364 92% 2.5% 173 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
AA 359 SFO 08:00 ORD 14:29 4h 27m 77 79% 0.0% 292 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
AA 2543 SFO 10:25 ORD 16:59 4h 29m 72 71% 4.2% 74 min
WN 4357 SJC 10:40 MDW 16:45 4h 05m 50 65% 0.0% 39 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
AA 2550 SFO 14:36 ORD 21:26 4h 51m 72 37% 2.8% 116 min
UA 2480 SFO 15:10 ORD 21:38 4h 28m 47 53% 2.1% 76 min
AA 2537 SFO 16:20 ORD 23:00 4h 40m 72 69% 1.4% 163 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
WN 3886 SJC 22:55 MDW 05:00 4h 05m 50 94% 0.0% 24 min
AA 2554 SFO 23:08 ORD 05:29 4h 15m 72 73% 1.4% 81 min
UA 368 SFO 23:30 ORD 05:57 4h 27m 72 86% 1.4% 42 min
WN 3649 SFO 23:40 MDW 05:55 4h 15m 58 41% 1.7% 49 min
WN 3059 OAK 23:55 MDW 06:00 4h 05m 58 66% 0.0% 45 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
Southwest OAK MDW 4h 05m 85% 0.2% 505 Flying now
Southwest SJC MDW 4h 05m 85% 0.2% 519 Flying now
United SFO ORD 4h 26m 78% 0.9% 3,830 Flying now
Southwest SFO MDW 4h 05m 74% 1.2% 485 Flying now
American SFO ORD 4h 27m 73% 1.8% 1,768 Flying now
American SJC ORD – 100%few flights 0.0% 8 Not flying now
Alaska SFO ORD 4h 23m 53%few flights 5.3% 19 Not 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