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

No clear winner: airports and hours on this route all land within a few points of 7 in 10 on time.

Best time to leave 11 am–12 pm 86% arrive on time from MIA
Best airport pair MIA → BWI 72% on time, fewest cancelled (3.0%), 265 flights
Best single flight F9 2940 MIA 15:40 → BWI 18:32 · 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).

9
10
11
12
13
14
15
16
17
MIA
84
64
80
FLL
72
61
% 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 2940 MIA 15:40 BWI 18:32 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 4412 FLL 09:28 BWI 12:10 2h 42m 51 62% 5.9% 66 min
F9 1028 FLL 09:33 BWI 12:13 2h 40m 116 72% 4.3% 103 min
F9 2940 MIA 15:40 BWI 18:32 2h 53m 197 71% 2.5% 101 min
F9 2960 FLL 17:10 IAD 19:50 2h 40m 72 54% 5.6% 108 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 MIA BWI 2h 53m 72% 3.0% 265 Flying now
Frontier FLL BWI 2h 42m 69% 4.8% 167 Flying now
Frontier FLL IAD 2h 40m 54% 5.6% 72 Flying now
Frontier MIA IAD 2h 50m 77% 1.8% 113 Not 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