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1,193 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Delta’s IDA → SLC flights land within a few points of 92% on time whatever the hour.

Best time to leave 11 am–12 pm 98% arrive on time from IDA
Best single flight DL 3944 IDA 11:25 → SLC 12:31 · 95% on time Avoid DL 2335 IDA 06:00 → SLC 07:01 · 90% 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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IDA
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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) 1,193 92% 0.4% 112 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 3944flown by SkyWest IDA 11:25 SLC 12:31 95%
DL 3765flown by SkyWest IDA 15:22 SLC 16:30 92%
DL 3895flown by SkyWest IDA 19:00 SLC 20:09 91%
DL 2335 IDA 06:00 SLC 07:01 90%
All 5 flights on this route →

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 IDA SLC 1h 06m 92% 0.4% 1,193 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