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Showing American only (incl. its regional partners)All airlines ×
1,466 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 7 in 10.

Best time to leave 8–9 am 93% arrive on time from JFK
Best single flight AA 4376 JFK 08:24 → BOS 09:48 · 89% 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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JFK
88
92
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90
84
89
70
84
61
84
73
87
% 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 4376flown by Republic JFK 08:24 BOS 09:48 89%

All 3 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 4376flown by Republic JFK 08:24 BOS 09:48 1h 24m 165 89% 0.0% 56 min
AA 4346flown by Republic JFK 17:14 BOS 18:48 1h 36m 76 61% 7.9% 100 min
AA 4634flown by Republic JFK 21:30 BOS 22:59 1h 24m 72 70% 11.1% 74 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 JFK BOS 1h 20m 76% 5.0% 1,466 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