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Showing Delta only (incl. its regional partners)All airlines ×
1,742 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 95% depart on time. After 4 pm it’s 4 in 5.

Best time to leave 7–8 am 92% arrive on time from SEA
Best single flight DL 2922 SEA 07:25 → LAS 09:59 · 92% on time Avoid DL 2955 SEA 16:20 → LAS 18:57 · 78% 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).

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SEA
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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.
DL 2922 SEA 07:25 LAS 09:59 92%
DL 2905 SEA 09:55 LAS 12:28 85%
DL 2880 SEA 11:05 LAS 13:39 82%
DL 2949 SEA 20:20 LAS 22:59 81%
DL 2955 SEA 16:20 LAS 18:57 78%

All 5 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 2922 SEA 07:25 LAS 09:59 2h 34m 365 92% 1.1% 63 min
DL 2905 SEA 09:55 LAS 12:28 2h 33m 364 85% 0.5% 58 min
DL 2880 SEA 11:05 LAS 13:39 2h 34m 359 82% 1.7% 59 min
DL 2955 SEA 16:20 LAS 18:57 2h 37m 177 78% 1.1% 42 min
DL 2949 SEA 20:20 LAS 22:59 2h 39m 358 81% 0.8% 51 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 SEA LAS 2h 34m 84% 1.0% 1,742 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