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5,676 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 64%.

Best time to leave 6–7 am 90% arrive on time from JFK
Best single flight DL 5765 JFK 06:00 → BOS 07:24 · 92% on time Avoid B6 618 JFK 15:55 → BOS 17:22 · 59% 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
JFK
91
92
89
85
85
88
74
71
70
59
53
63
67
58
66
71
59
% 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. Republic) 1,791 77% 3.7% 84 min
American (incl. Republic) 1,466 76% 5.0% 75 min
JetBlue 2,419 70% 4.3% 78 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 5765flown by Republic JFK 06:00 BOS 07:24 92%
AA 4376flown by Republic JFK 08:24 BOS 09:48 89%
DL 5733flown by Republic JFK 09:50 BOS 11:15 86%
DL 5595flown by Republic JFK 14:30 BOS 16:08 79%
DL 2639 JFK 21:00 BOS 22:41 71%
· · ·
DL 5798flown by Republic JFK 17:30 BOS 19:14 63%
B6 1118 JFK 13:20 BOS 14:43 63%
B6 618 JFK 15:55 BOS 17:22 59%
All 17 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.
Delta JFK BOS 1h 25m 77% 3.7% 1,791 Flying now
American JFK BOS 1h 20m 76% 5.0% 1,466 Flying now
JetBlue JFK BOS 1h 23m 70% 4.3% 2,419 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