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1,671 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

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

Best time to leave 9–10 am 97% arrive on time from GEG
Best single flight DL 1440 GEG 05:20 → SLC 08:00 · 92% on time Avoid DL 1452 GEG 13:30 → SLC 16:13 · 86% 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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GEG
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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.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
Delta (incl. SkyWest) 1,671 91% 0.7% 91 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.
DL 1440 GEG 05:20 SLC 08:00 92%
DL 1503 GEG 17:10 SLC 19:59 86%
DL 1452 GEG 13:30 SLC 16:13 86%

All 7 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 1440 GEG 05:20 SLC 08:00 1h 40m 365 92% 0.8% 133 min
DL 4444flown by SkyWest GEG 09:50 SLC 12:41 1h 56m 55 98% 0.0% 19 min
DL 3795flown by SkyWest GEG 09:55 SLC 12:47 1h 52m 31 97% 0.0% 19 min
DL 1452 GEG 13:30 SLC 16:13 1h 43m 322 86% 0.6% 98 min
DL 1503 GEG 17:10 SLC 19:59 1h 49m 182 86% 1.6% 65 min
DL 3963flown by SkyWest GEG 19:08 SLC 22:03 1h 55m 62 95% 0.0% 27 min
DL 1024 GEG 19:08 SLC 21:54 1h 46m 44 91% 0.0% 77 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 SLC 1h 49m 91% 0.7% 1,671 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