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Showing American only (incl. its regional partners)All airlines ×
2,273 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 94% depart on time. After 4 pm it’s 3 in 5.

Best time to leave 6–7 am 93% arrive on time from MIA
Best single flight AA 1074 MIA 18:20 → BOS 21:45 · 61% on time Avoid AA 2539 MIA 20:20 → BOS 23:41 · 59% 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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MIA
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% 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.

AA 1074 MIA 18:20 BOS 21:45 61%
AA 1054 MIA 21:45 BOS 00:59 60%
AA 2539 MIA 20:20 BOS 23:41 59%

All 7 American 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.

AA 815 MIA 06:42 BOS 10:06 3h 26m 56 98% 0.0% 22 min
AA 1589 MIA 09:23 BOS 12:48 3h 24m 66 82% 0.0% 84 min
AA 1565 MIA 10:50 BOS 14:22 3h 31m 72 83% 1.4% 41 min
AA 1538 MIA 12:42 BOS 16:17 3h 35m 72 72% 1.4% 92 min
AA 1074 MIA 18:20 BOS 21:45 3h 25m 364 61% 1.6% 81 min
AA 2539 MIA 20:20 BOS 23:41 3h 21m 325 59% 1.8% 77 min
AA 1054 MIA 21:45 BOS 00:59 3h 14m 362 60% 2.5% 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.

American MIA BOS 3h 22m 71% 1.7% 2,273 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