Showing Frontier only (incl. its regional partners)All airlines ×

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

No clear winner: Frontier’s BOS → ATL flights land within a few points of 2 in 3 on time whatever the hour.

Best time to leave 9–10 am 74% arrive on time from BOS

Best single flight F9 3511 BOS 11:59 → ATL 14:53 · 69% on time Avoid F9 3085 BOS 06:00 → ATL 09:06 · 65% 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).

BOS

% 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.

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.


F9 3511	BOS 11:59	ATL 14:53	69%
F9 3085	BOS 06:00	ATL 09:06	65%

All 2 Frontier flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.


F9 3085	BOS 06:00	ATL 09:06	3h 06m	186	65%	4.3%	46 min
F9 3511	BOS 11:59	ATL 14:53	3h 02m	241	69%	2.5%	60 min

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	ATL	3h 06m	67%	3.3%	427	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