1,295 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 88% depart on time. After 4 pm it’s 3 in 5.

Best time to leave 7–8 am 92% arrive on time from BUF

Best single flight B6 716 BUF 06:00 → BOS 07:27 · 82% on time Avoid B6 516 BUF 21:26 → BOS 22:52 · 56% 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).

BUF

% 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

Boston flights leaving BUF 4–5 pm: 2Close ×


AA 4068flown by Envoy	BUF 16:13	BOS 17:51	1h 38m	33	67%	0.0%	67 min
AA 4440flown by Republic	BUF 16:14	BOS 17:52	1h 42m	51	69%	5.9%	90 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.


American (incl. Envoy, Republic)	376	84%	2.1%	72 min
JetBlue	919	74%	3.3%	75 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 716	BUF 06:00	BOS 07:27	82%
B6 516	BUF 21:26	BOS 22:52	56%

All 8 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.


American	BUF	BOS	1h 36m	84%	2.1%	376	Flying now
JetBlue	BUF	BOS	1h 25m	74%	3.3%	919	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