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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).

6
7
8
9
10
11
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20
BUF
90
92
83
87
87
81
75
75
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

Pick an hour to see this route’s flights leaving then.

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 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.
B6 2001 BUF 06:40 JFK 08:05 1h 28m 334 86% 4.2% 77 min
DL 5284flown by Endeavor BUF 07:00 JFK 08:30 1h 30m 360 86% 3.9% 78 min
B6 1901 BUF 09:15 JFK 10:46 1h 27m 254 80% 5.5% 74 min
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
B6 2401 BUF 14:47 JFK 16:23 1h 36m 22 73% 0.0% 98 min
B6 2901 BUF 15:50 JFK 17:29 1h 28m 230 78% 6.1% 102 min
DL 5296flown by Endeavor BUF 15:50 JFK 17:30 1h 41m 189 80% 11.1% 97 min
B6 201 BUF 20:00 JFK 21:34 1h 33m 180 68% 6.7% 103 min
DL 5250flown by Endeavor BUF 20:09 JFK 21:49 1h 40m 346 78% 9.5% 80 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.
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