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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
New York flights leaving BOS 9–10 am: 1Close ×
DL 5732flown by Republic BOS 09:00 LGA 10:20 1h 20m 271 88% 5.9% 66 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. 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