Showing Frontier only (incl. its regional partners)All airlines ×
43 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines
No clear winner: Frontier’s BWI → DEN flights land within a few points of 3 in 5 on time whatever the hour.
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 Frontier 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.
| Frontier | BWI | DEN | 4h 03m | 60% | 0.0% | 43 | Not flying now |
Alternatives with one stop
All connections →| FrontierDetails → | BWI 06:35 → ATL 09:00F9 2633 | 3h 33m Atlanta | ATL 12:33 → DEN 14:00F9 3293 | 9h 25m | 99% | 77% |
| FrontierDetails → | BWI 09:56 → DTW 11:35F9 3081 | 1h 44m Detroit | DTW 13:19 → DEN 14:35F9 3565 | 6h 39m | 91% | 76% |
| FrontierDetails → | BWI 15:21 → MCO 17:53F9 3663 | 2h 50m Orlando | MCO 20:43 → DEN 23:04F9 3311 | 9h 43m | 95% | 70% |
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