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7,025 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 73%.

Best time to leave 5–6 am 95% arrive on time from LAX
Best single flight AA 383 LAX 06:00 → ORD 12:27 · 91% on time Avoid F9 2446 LAX 23:59 → ORD 06:17 · 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).

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
LAX
94
94
91
90
75
75
67
78
70
76
68
77
68
73
77
75
% 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
Chicago flights leaving LAX 8–9 am: 2Close ×
AA 1598 LAX 08:00 ORD 14:27 4h 27m 178 90% 0.6% 100 min
UA 1946 LAX 08:15 ORD 14:35 4h 20m 346 85% 1.4% 67 min

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 3,388 81% 0.7% 70 min
Spirit 189 78% 4.2% 84 min
American 3,061 74% 2.0% 97 min
Delta 151 73% 0.0% 76 min
Frontier 236 61% 5.1% 144 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.
AA 383 LAX 06:00 ORD 12:27 91%
UA 1941 LAX 07:00 ORD 13:14 91%
AA 1598 LAX 08:00 ORD 14:27 90%
UA 212 LAX 17:00 ORD 23:16 87%
UA 1946 LAX 08:15 ORD 14:35 85%
· · ·
UA 2113 LAX 10:45 ORD 17:04 78%
UA 2487 LAX 14:26 ORD 20:40 69%
F9 2446 LAX 23:59 ORD 06:17 61%
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 LAX ORD 4h 12m 81% 0.7% 3,388 Flying now
American LAX ORD 4h 12m 74% 2.0% 3,061 Flying now
Delta LAX ORD 4h 10m 73% 0.0% 151 Flying now
Frontier LAX ORD 4h 18m 61% 5.1% 236 Flying now
Spirit LAX ORD 4h 08m 78% 4.2% 189 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