No clear winner: United’s BIL → ORD flights land within a few points of 83% on time whatever the hour.
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).
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.
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 | BIL | ORD | 3h 00m | 83% | 0.0% | 86 | Not flying now |
Alternatives with one stop
All connections →| UnitedDetails → | BIL 05:00 → DEN 06:53UA 5829 · flown by SkyWest | 47m Denver | DEN 07:40 → ORD 11:23UA 1928 | 5h 23m | 92% | 85% |
| UnitedDetails → | BIL 07:00 → DEN 08:50UA 557 | 2h 25m Denver | DEN 11:15 → ORD 14:55UA 2865 | 6h 55m | 92% | 73% |
| UnitedDetails → | BIL 14:25 → DEN 16:15UA 478 | 3h 25m Denver | DEN 19:40 → ORD 23:19UA 2085 | 7h 54m | 98% | 69% |
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