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Showing Delta only (incl. its regional partners)All airlines ×
564 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Delta’s LAS → BOS flights land within a few points of 3 in 4 on time whatever the hour.

Best time to leave 9–10 pm 83% arrive on time from LAS

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).

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LAS
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% 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.

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.

No Delta flight on this route ran 150+ times in the year.

All 2 Delta 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.

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

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 LAS BOS 5h 05m 75% 1.4% 564 Flying now

Alternatives with one stop

All connections →
DeltaDetails → LAS 22:14 → CVG 05:00DL 2794 1h 00m Hebron CVG 06:00 → BOS 08:22 +1DL 5790 · flown by Republic 7h 08m 92% 80%
DeltaDetails → LAS 06:00 → SLC 08:20DL 2674 1h 30m Salt Lake City SLC 09:50 → BOS 16:37DL 657 7h 37m 98% 80%
DeltaDetails → LAS 19:55 → SLC 22:15DL 1590 1h 16m Salt Lake City SLC 23:31 → BOS 06:05 +1DL 696 7h 10m 86% 78%
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