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4,761 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: airlines and hours on this route all land within a few points of 78% on time.

Best time to leave 11 pm–12 am 88% arrive on time from LAX
Best single flight UA 2210 LAX 23:59 → BOS 08:40 · 91% on time Avoid B6 1388 LAX 10:59 → BOS 19:42 · 68% 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
23
LAX
90
91
83
70
67
76
63
69
73
73
84
84
82
84
% 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
Boston flights leaving LAX 6–7 am: 2Close ×
B6 888 LAX 06:00 BOS 14:37 5h 37m 129 88% 0.8% 52 min
DL 639 LAX 06:40 BOS 15:15 5h 35m 365 83% 2.7% 76 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.
United 716 87% 1.1% 70 min
Delta 1,236 78% 1.9% 90 min
JetBlue 1,629 77% 1.8% 72 min
American 1,180 76% 1.6% 96 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.
UA 2210 LAX 23:59 BOS 08:40 91%
DL 507 LAX 21:00 BOS 05:28 85%
UA 1783 LAX 08:35 BOS 17:20 83%
DL 639 LAX 06:40 BOS 15:15 83%
AA 2453 LAX 23:59 BOS 08:35 81%
· · ·
DL 437 LAX 10:45 BOS 19:25 71%
B6 288 LAX 08:00 BOS 16:40 70%
B6 1388 LAX 10:59 BOS 19:42 68%
All 18 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 LAX BOS 5h 45m 87% 1.1% 716 Flying now
Delta LAX BOS 5h 34m 78% 1.9% 1,236 Flying now
JetBlue LAX BOS 5h 37m 77% 1.8% 1,629 Flying now
American LAX BOS 5h 31m 76% 1.6% 1,180 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