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 BOS → PHL flights land within a few points of 84% 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 | BOS | PHL | 1h 40m | 84% | 0.0% | 43 | Not flying now |
Alternatives with one stop
All connections →| FrontierDetails → | BOS 08:42 → RDU 10:52F9 3057 | 2h 38m Raleigh/Durham | RDU 13:30 → PHL 15:01F9 2060 | 6h 20m | 97% | 72% |
| FrontierDetails → | BOS 10:04 → MCO 13:40F9 1977 | 2h 55m Orlando | MCO 16:35 → PHL 19:23F9 4404 | 9h 16m | 96% | 55% |
| FrontierDetails → | BOS 11:59 → ATL 14:53F9 3511 | 2h 09m Atlanta | ATL 17:02 → PHL 19:18F9 2552 | 7h 18m | 93% | 40% |
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