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1,295 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 3 in 5.

Best time to leave 7–8 am 91% arrive on time from BOS
Best single flight B6 1115 BOS 17:40 → BUF 19:19 · 72% on time Avoid B6 715 BOS 22:10 → BUF 23:43 · 66% 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).

7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
BOS
96
87
84
78
85
82
88
69
73
53
62
67
48
% 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.
American (incl. Envoy, Republic) 377 83% 2.1% 65 min
JetBlue 918 73% 3.4% 72 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.
B6 1115 BOS 17:40 BUF 19:19 72%
B6 715 BOS 22:10 BUF 23:43 66%

All 8 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 2115 BOS 08:02 BUF 09:35 1h 33m 54 86% 5.6% 54 min
AA 4666flown by Republic BOS 09:03 BUF 10:52 1h 49m 71 94% 2.8% 57 min
B6 1215 BOS 11:05 BUF 12:36 1h 31m 121 91% 0.0% 69 min
AA 4440flown by Republic BOS 13:55 BUF 15:44 1h 49m 51 88% 0.0% 36 min
AA 4068flown by Envoy BOS 13:56 BUF 15:43 1h 47m 16 81% 0.0% 36 min
B6 1115 BOS 17:40 BUF 19:19 1h 39m 181 72% 2.8% 73 min
AA 4616flown by Republic BOS 20:00 BUF 21:50 1h 50m 72 72% 6.9% 88 min
B6 715 BOS 22:10 BUF 23:43 1h 33m 300 66% 4.7% 71 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 BOS BUF 1h 49m 83% 2.1% 377 Flying now
JetBlue BOS BUF 1h 39m 73% 3.4% 918 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