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1,610 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 3 in 4 on time.

Best time to leave 9–10 pm 83% arrive on time from LAS
Best single flight B6 778 LAS 20:50 → BOS 05:01 · 73% on time Avoid B6 1178 LAS 12:12 → BOS 20:34 · 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).

10
11
12
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14
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LAS
68
74
70
80
83
72
83
74
58
% 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.
JetBlue 1,046 76% 1.3% 93 min
Delta 564 75% 1.4% 75 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.
B6 778 LAS 20:50 BOS 05:01 73%
B6 1178 LAS 12:12 BOS 20:34 68%

All 5 flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
B6 478 LAS 06:00 BOS 14:07 5h 07m 20 100% 5.0% –
DL 430 LAS 10:35 BOS 18:49 5h 14m 55 64% 0.0% 76 min
DL 498 LAS 10:35 BOS 18:40 5h 05m 31 74% 0.0% 49 min
B6 1178 LAS 12:12 BOS 20:34 5h 22m 158 68% 0.0% 79 min
B6 778 LAS 20:50 BOS 05:01 5h 10m 239 73% 2.5% 104 min

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.
JetBlue LAS BOS 5h 10m 76% 1.3% 1,046 Flying now
Delta LAS BOS 5h 05m 75% 1.4% 564 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