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

Leave before 9 am: 82% depart on time. After 4 pm it’s 3 in 5.

Best time to leave 8–9 am 79% arrive on time from ORD
Best single flight UA 5521 ORD 13:15 → COU 14:50 · 71% 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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% 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 5521flown by SkyWest ORD 13:15 COU 14:50 71%

All 5 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 4392flown by GoJet ORD 08:40 COU 10:13 1h 33m 37 78% 0.0% 52 min
UA 4726flown by SkyWest ORD 08:40 COU 10:13 1h 33m 24 78% 0.0% 38 min
UA 5521flown by SkyWest ORD 13:15 COU 14:50 1h 35m 279 71% 3.2% 83 min
UA 5751flown by SkyWest ORD 22:00 COU 23:33 1h 33m 35 76% 5.7% 161 min
UA 5336flown by SkyWest ORD 22:00 COU 23:33 1h 33m 37 79% 8.1% 81 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 COU 1h 35m 67% 4.8% 877 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