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Showing Delta only (incl. its regional partners)All airlines ×
2,908 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Delta’s GEG → SEA flights land within a few points of 9 in 10 on time whatever the hour.

Best time to leave 5–6 am 95% arrive on time from GEG
Best single flight DL 4137 GEG 06:08 → SEA 07:36 · 95% on time Avoid DL 3830 GEG 09:20 → SEA 10:55 · 82% 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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6
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GEG
97
94
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90
91
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81
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90
% 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 4137flown by SkyWest GEG 06:08 SEA 07:36 95%
DL 3790flown by SkyWest GEG 07:00 SEA 08:24 92%
DL 3824flown by SkyWest GEG 11:15 SEA 12:43 90%
DL 3832flown by SkyWest GEG 19:59 SEA 21:22 89%
DL 4068flown by SkyWest GEG 13:11 SEA 14:30 89%
· · ·
DL 3754flown by SkyWest GEG 13:00 SEA 14:27 84%
DL 3830flown by SkyWest GEG 09:20 SEA 10:55 82%

All 11 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 2218 GEG 05:30 SEA 06:40 1h 10m 98 95% 1.0% 153 min
DL 4137flown by SkyWest GEG 06:08 SEA 07:36 1h 29m 245 95% 0.4% 67 min
DL 3790flown by SkyWest GEG 07:00 SEA 08:24 1h 24m 208 92% 1.0% 181 min
DL 3830flown by SkyWest GEG 09:20 SEA 10:55 1h 35m 365 82% 0.8% 61 min
DL 3824flown by SkyWest GEG 11:15 SEA 12:43 1h 28m 224 90% 0.9% 71 min
DL 3754flown by SkyWest GEG 13:00 SEA 14:27 1h 27m 170 84% 0.6% 52 min
DL 4068flown by SkyWest GEG 13:11 SEA 14:30 1h 19m 172 89% 0.0% 91 min
DL 3686flown by SkyWest GEG 16:15 SEA 17:38 1h 23m 31 81% 0.0% 87 min
DL 4165flown by SkyWest GEG 16:30 SEA 17:59 1h 29m 55 85% 0.0% 97 min
DL 3857flown by SkyWest GEG 17:37 SEA 19:05 1h 28m 85 93% 0.0% 46 min
DL 3832flown by SkyWest GEG 19:59 SEA 21:22 1h 23m 283 89% 1.4% 74 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 GEG SEA 1h 24m 90% 0.7% 2,908 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