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3,869 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: airlines and hours on this route all land within a few points of 4 in 5 on time.

Best time to leave 10–11 pm 93% arrive on time from SAN
Best single flight AA 518 SAN 06:15 → ORD 12:47 · 89% on time Avoid AS 1478 SAN 12:40 → ORD 18:57 · 61% 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
22
SAN
93
88
84
76
86
95
74
61
81
65
73
74
90
% 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.
United 1,673 82% 0.5% 83 min
American 1,389 79% 1.7% 94 min
Alaska 777 72% 2.3% 63 min
Frontier 30 – 3.3% 146 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.
AA 518 SAN 06:15 ORD 12:47 89%
UA 2486 SAN 16:41 ORD 22:59 82%
UA 1710 SAN 10:35 ORD 16:52 82%
AS 1493 SAN 17:23 ORD 23:36 70%
UA 1779 SAN 14:00 ORD 20:20 70%
· · ·
AS 1478 SAN 12:40 ORD 18:57 61%

All 15 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.
AA 518 SAN 06:15 ORD 12:47 4h 32m 209 89% 0.0% 108 min
UA 1069 SAN 06:40 ORD 13:09 4h 29m 72 88% 1.4% 70 min
AS 1495 SAN 07:00 ORD 13:14 4h 14m 128 86% 1.6% 73 min
AS 1446 SAN 07:00 ORD 13:21 4h 21m 135 75% 1.5% 55 min
AA 1261 SAN 07:30 ORD 13:59 4h 29m 72 87% 0.0% 80 min
AA 2484 SAN 09:58 ORD 16:29 4h 32m 72 77% 0.0% 75 min
UA 1710 SAN 10:35 ORD 16:52 4h 17m 206 82% 1.0% 95 min
AS 1478 SAN 12:40 ORD 18:57 4h 17m 188 61% 3.2% 58 min
AA 811 SAN 13:07 ORD 19:54 4h 47m 30 74% 6.7% 58 min
AA 795 SAN 13:19 ORD 19:45 4h 26m 56 71% 3.6% 116 min
UA 1779 SAN 14:00 ORD 20:20 4h 20m 346 70% 0.0% 62 min
UA 2486 SAN 16:41 ORD 22:59 4h 18m 319 82% 0.6% 86 min
AS 1493 SAN 17:23 ORD 23:36 4h 13m 234 70% 1.7% 68 min
UA 1457 SAN 22:25 ORD 04:36 4h 11m 143 90% 0.7% 156 min
AA 1543 SAN 22:45 ORD 05:11 4h 15m 72 90% 1.4% 134 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 SAN ORD 4h 15m 82% 0.5% 1,673 Flying now
American SAN ORD 4h 19m 79% 1.7% 1,389 Flying now
Alaska SAN ORD 4h 21m 72% 2.3% 777 Flying now
Frontier SAN ORD 4h 23m 55%few flights 3.3% 30 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