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

No clear winner: United’s ORD → ASE flights land within a few points of 2 in 3 on time whatever the hour.

Best time to leave 7–8 am 80% arrive on time from ORD

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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ORD
86
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76
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76
% 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.

No United flight on this route ran 150+ times in the year.

All 3 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 5279flown by SkyWest ORD 08:52 ASE 11:01 3h 09m 37 64% 0.0% 36 min
UA 4646flown by SkyWest ORD 08:52 ASE 11:01 3h 09m 34 64% 0.0% 66 min
UA 5254flown by SkyWest ORD 19:47 ASE 22:00 3h 13m 72 62% 5.6% 178 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 ORD ASE 3h 23m 68% 2.5% 715 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