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4,758 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 2 in 3.

Best time to leave 6–7 am 85% arrive on time from BOS
Best single flight AA 2455 BOS 07:00 → LAX 10:19 · 87% on time Avoid AA 1578 BOS 17:33 → LAX 20:55 · 67% 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
BOS
90
88
86
89
90
81
78
90
79
76
76
67
66
63
62
56
% 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.
United 716 77% 1.1% 69 min
Delta 1,234 77% 1.9% 77 min
JetBlue 1,629 75% 1.8% 73 min
American 1,179 75% 1.6% 100 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 2455 BOS 07:00 LAX 10:19 87%
B6 687 BOS 07:00 LAX 10:14 87%
B6 287 BOS 06:00 LAX 09:14 85%
DL 479 BOS 06:20 LAX 09:35 81%
B6 1487 BOS 11:00 LAX 14:09 77%
· · ·
DL 321 BOS 20:30 LAX 23:51 69%
B6 387 BOS 20:33 LAX 23:46 69%
AA 1578 BOS 17:33 LAX 20:55 67%
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.
United BOS LAX 6h 25m 77% 1.1% 716 Flying now
Delta BOS LAX 6h 21m 77% 1.9% 1,234 Flying now
JetBlue BOS LAX 6h 14m 75% 1.8% 1,629 Flying now
American BOS LAX 6h 34m 75% 1.6% 1,179 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