2,313 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 7 in 10.

Best time to leave 7–8 am 85% arrive on time from BUF

Best single flight DL 5362 BUF 14:30 → LGA 15:58 · 70% 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

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, Republic)	1,307	79%	5.3%	83 min
American (incl. Republic)	1,006	78%	5.4%	88 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 5362flown by Endeavor	BUF 14:30	LGA 15:58	70%

All 9 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 4522flown by Republic	BUF 06:02	LGA 07:24	1h 23m	99	85%	0.0%	113 min
DL 5842flown by Republic	BUF 06:04	LGA 07:30	1h 26m	30	93%	0.0%	234 min
DL 4670flown by Endeavor	BUF 06:05	LGA 07:30	1h 27m	79	87%	3.8%	85 min
DL 5376flown by Endeavor	BUF 10:20	LGA 11:44	1h 24m	48	89%	4.2%	82 min
AA 4379flown by Republic	BUF 11:10	LGA 12:36	1h 26m	72	86%	4.2%	85 min
AA 4570flown by Republic	BUF 13:56	LGA 15:19	1h 24m	27	78%	0.0%	55 min
DL 5362flown by Endeavor	BUF 14:30	LGA 15:58	1h 28m	158	70%	8.9%	105 min
DL 5380flown by Endeavor	BUF 18:10	LGA 19:39	1h 29m	64	59%	15.6%	86 min
AA 4378flown by Republic	BUF 18:11	LGA 19:40	1h 29m	62	60%	16.1%	144 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	LGA	1h 27m	79%	5.3%	1,307	Flying now
American	BUF	LGA	1h 26m	78%	5.4%	1,006	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