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7,023 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 86% depart on time. After 4 pm it’s 62%.

Best time to leave 7–8 am 86% arrive on time from ORD
Best single flight UA 2361 ORD 07:00 → LAX 09:33 · 90% on time Avoid UA 2499 ORD 20:18 → LAX 22:55 · 58% 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
ORD
87
92
79
79
80
72
68
79
80
68
69
62
66
53
59
60
57
% 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 3,387 78% 0.6% 71 min
Delta 151 75% 0.0% 66 min
Spirit 186 75% 4.3% 93 min
American 3,062 70% 2.0% 80 min
Frontier 237 65% 4.6% 76 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 2361 ORD 07:00 LAX 09:33 90%
AA 607 ORD 06:00 LAX 08:20 88%
UA 1363 ORD 13:00 LAX 15:34 83%
UA 1044 ORD 10:30 LAX 13:09 81%
UA 374 ORD 14:30 LAX 17:05 80%
· · ·
AA 2364 ORD 19:08 LAX 21:33 59%
AA 529 ORD 15:21 LAX 17:43 59%
UA 2499 ORD 20:18 LAX 22:55 58%
All 25 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.
United ORD LAX 4h 35m 78% 0.6% 3,387 Flying now
Delta ORD LAX 4h 32m 75% 0.0% 151 Flying now
American ORD LAX 4h 35m 70% 2.0% 3,062 Flying now
Frontier ORD LAX 4h 44m 65% 4.6% 237 Flying now
Spirit ORD LAX 4h 30m 75% 4.3% 186 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