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7,342 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 63%.

Best time to leave 6–7 am 93% arrive on time from BOS
Best single flight AA 4424 BOS 06:00 → LGA 07:24 · 92% on time Avoid DL 5716 BOS 19:00 → LGA 20:32 · 64% 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
12
13
14
15
16
17
18
19
20
21
22
BOS
96
93
90
92
86
84
82
81
76
76
64
68
63
64
59
56
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.
American (incl. Republic) 2,294 78% 5.1% 79 min
Delta (incl. Republic) 5,048 77% 6.1% 76 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.
AA 4424flown by Republic BOS 06:00 LGA 07:24 92%
DL 5732flown by Republic BOS 09:00 LGA 10:20 88%
DL 5735flown by Republic BOS 08:00 LGA 09:21 87%
DL 5744flown by Republic BOS 10:00 LGA 11:15 86%
DL 5755flown by Republic BOS 11:00 LGA 12:19 85%
· · ·
DL 5726flown by Republic BOS 16:00 LGA 17:30 68%
DL 5831flown by Republic BOS 18:00 LGA 19:31 65%
DL 5716flown by Republic BOS 19:00 LGA 20:32 64%
All 27 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 BOS LGA 1h 24m 78% 5.1% 2,294 Flying now
Delta BOS LGA 1h 25m 77% 6.1% 5,048 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