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Showing United only (incl. its regional partners)All airlines ×
2,337 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: United’s LAS → ORD flights land within a few points of 4 in 5 on time whatever the hour.

Best time to leave 11 pm–12 am 91% arrive on time from LAS
Best single flight UA 2102 LAS 23:30 → ORD 05:11 · 92% on time Avoid UA 706 LAS 14:25 → ORD 20:23 · 67% 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).

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LAS
93
92
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89
85
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84
72
88
% 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 2102 LAS 23:30 ORD 05:11 92%
UA 664 LAS 07:00 ORD 12:48 89%
UA 1583 LAS 10:25 ORD 16:21 83%
UA 706 LAS 14:25 ORD 20:23 67%

All 9 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 1231 LAS 00:36 ORD 06:20 3h 44m 32 100% 0.0% –
UA 664 LAS 07:00 ORD 12:48 3h 48m 352 89% 0.6% 102 min
UA 1583 LAS 10:25 ORD 16:21 3h 56m 279 83% 0.0% 77 min
UA 706 LAS 14:25 ORD 20:23 3h 58m 278 67% 0.0% 87 min
UA 2320 LAS 16:15 ORD 22:13 3h 58m 71 78% 4.2% 131 min
UA 1672 LAS 19:03 ORD 00:50 3h 47m 57 80% 0.0% 192 min
UA 2102 LAS 23:30 ORD 05:11 3h 41m 345 92% 0.3% 62 min
UA 655 LAS 23:59 ORD 05:40 3h 41m 23 83% 0.0% 80 min
UA 726 LAS 23:59 ORD 05:40 3h 41m 27 89% 0.0% 40 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 LAS ORD 3h 47m 80% 0.5% 2,337 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