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Showing Frontier only (incl. its regional partners)All airlines ×
652 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 87% depart on time. After 4 pm it’s 2 in 3.

Best time to leave 11 am–12 pm 86% arrive on time from IAD
Best single flight F9 1081 IAD 11:17 → ATL 13:18 · 75% on time Avoid F9 4707 IAD 07:30 → ATL 09:44 · 71% 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).

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IAD
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54
% 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 1081 IAD 11:17 ATL 13:18 75%
F9 4707 IAD 07:30 ATL 09:44 71%

All 4 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 4707 IAD 07:30 ATL 09:44 2h 14m 334 71% 0.9% 82 min
F9 1081 IAD 11:17 ATL 13:18 2h 01m 208 75% 1.9% 75 min
F9 3691 IAD 20:40 ATL 22:56 2h 16m 74 56% 4.1% 104 min
F9 4409 IAD 20:52 ATL 23:16 2h 24m 36 59% 11.1% 64 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 IAD ATL 2h 16m 70% 2.1% 652 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