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1,778 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: United’s DEN → BIL flights land within a few points of 82% on time whatever the hour.

Best time to leave 7–8 am 91% arrive on time from DEN
Best single flight UA 1417 DEN 19:40 → BIL 21:17 · 80% on time Avoid UA 5498 DEN 15:35 → BIL 17:19 · 77% 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).

7
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DEN
90
88
81
87
81
77
84
% 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.

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 (incl. SkyWest) 1,778 82% 0.6% 63 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.
UA 1417 DEN 19:40 BIL 21:17 80%
UA 5257flown by SkyWest DEN 21:10 BIL 22:54 80%
UA 703 DEN 11:45 BIL 13:22 80%
UA 5498flown by SkyWest DEN 15:35 BIL 17:19 77%
All 6 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 DEN BIL 1h 41m 82% 0.6% 1,778 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