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Showing Delta only (incl. its regional partners)All airlines ×
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.

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 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 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