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2,632 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 72%.

Best time to leave 10–11 am 86% arrive on time from BUF
Best single flight DL 5223 BUF 10:25 → JFK 11:52 · 88% on time Avoid B6 201 BUF 20:00 → JFK 21:34 · 68% 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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BUF
90
92
83
87
87
81
75
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73
68
% 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
New York flights leaving BUF 10–11 am: 2Close ×
DL 5426flown by Endeavor BUF 10:00 JFK 11:24 1h 24m 110 90% 2.7% 68 min
DL 5223flown by Endeavor BUF 10:25 JFK 11:52 1h 27m 234 88% 2.6% 66 min

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
Delta (incl. Endeavor) 1,415 83% 6.0% 84 min
JetBlue 1,217 78% 5.6% 92 min

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.
DL 5223flown by Endeavor BUF 10:25 JFK 11:52 88%
DL 5284flown by Endeavor BUF 07:00 JFK 08:30 86%
B6 2001 BUF 06:40 JFK 08:05 86%
DL 5296flown by Endeavor BUF 15:50 JFK 17:30 80%
B6 1901 BUF 09:15 JFK 10:46 80%
· · ·
DL 5250flown by Endeavor BUF 20:09 JFK 21:49 78%
B6 2901 BUF 15:50 JFK 17:29 78%
B6 201 BUF 20:00 JFK 21:34 68%
All 10 flights on this route →

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.
Delta BUF JFK 1h 38m 83% 6.0% 1,415 Flying now
JetBlue BUF JFK 1h 32m 78% 5.6% 1,217 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