Showing Frontier only (incl. its regional partners)All airlines ×
64 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines
No clear winner: Frontier’s DTW → MIA flights land within a few points of 2 in 3 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 | DTW | MIA | 3h 08m | 67% | 1.6% | 64 | Not flying now |
Alternatives with one stop
All connections →| FrontierDetails → | DTW 06:10 → ATL 08:31F9 1263 | 3h 16m Atlanta | ATL 11:47 → MIA 13:53F9 4406 | 7h 39m | 98% | 71% |
| FrontierDetails → | DTW 13:50 → PHL 15:29F9 2022 | 2h 03m Philadelphia | PHL 17:32 → MIA 20:28F9 1203 | 6h 43m | 89% | 55% |
| FrontierDetails → | DTW 14:56 → ATL 17:06F9 2899 | 3h 49m Atlanta | ATL 20:55 → MIA 23:05F9 3442 | 8h 07m | 90% | 43% |
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