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Showing United only (incl. its regional partners)All airlines ×
4,720 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am from Orange County or LAX: 95% depart on time. After 4 pm it’s 82%.

Best time to leave 5–6 am 97% arrive on time from LAX
Best airport pair ONT → ORD 81% on time, 1.4% cancelled, 291 flights
Best single flight UA 1941 LAX 07:00 → ORD 13:14 · 91% on time Avoid UA 1352 SNA 14:10 → ORD 20:26 · 68% 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
96
96
96
92
85
79
85
82
83
86
80
79
81
SNA
97
88
90
83
ONT
80
86
81
% 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 1941 LAX 07:00 ORD 13:14 91%
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%
· · ·
UA 1352 SNA 14:10 ORD 20:26 68%

All 16 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 729 LAX 00:13 ORD 06:32 4h 19m 72 83% 0.0% 55 min
UA 580 LAX 05:10 ORD 11:27 4h 17m 68 98% 1.5% 69 min
UA 2826 ONT 06:05 ORD 12:20 4h 15m 35 82% 0.0% 73 min
UA 2171 ONT 06:10 ORD 12:25 4h 15m 37 91% 5.4% 45 min
UA 587 SNA 06:45 ORD 13:09 4h 24m 128 87% 0.8% 35 min
UA 1941 LAX 07:00 ORD 13:14 4h 14m 261 91% 0.8% 75 min
UA 1946 LAX 08:15 ORD 14:35 4h 20m 346 85% 1.4% 67 min
UA 2426 SNA 10:37 ORD 16:53 4h 16m 149 79% 0.7% 104 min
UA 2113 LAX 10:45 ORD 17:04 4h 19m 349 78% 0.9% 65 min
UA 457 LAX 12:50 ORD 19:05 4h 15m 125 69% 1.6% 103 min
UA 1352 SNA 14:10 ORD 20:26 4h 16m 170 68% 0.0% 71 min
UA 2487 LAX 14:26 ORD 20:40 4h 14m 364 69% 0.8% 53 min
UA 212 LAX 17:00 ORD 23:16 4h 16m 310 87% 0.3% 107 min
UA 1754 LAX 18:58 ORD 01:15 4h 17m 110 83% 0.0% 76 min
UA 353 LAX 22:35 ORD 04:51 4h 16m 124 90% 0.0% 59 min
UA 1962 LAX 23:30 ORD 05:46 4h 16m 125 88% 0.0% 36 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 ONT ORD 4h 03m 81% 1.4% 291 Flying now
United LAX ORD 4h 12m 81% 0.7% 3,388 Flying now
United SNA ORD 4h 11m 80% 0.6% 1,041 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