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Showing Delta only (incl. its regional partners)All airlines ×
1,366 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Delta’s FAT → SLC flights land within a few points of 95% on time whatever the hour.

Best time to leave 9–10 am 96% arrive on time from FAT
Best single flight DL 3786 FAT 09:48 → SLC 12:34 · 97% on time Avoid DL 3777 FAT 17:13 → SLC 20:00 · 93% 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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FAT
96
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93
% 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 3786flown by SkyWest FAT 09:48 SLC 12:34 97%
DL 4138flown by SkyWest FAT 06:09 SLC 08:55 96%
DL 3768flown by SkyWest FAT 12:35 SLC 15:22 93%
DL 3777flown by SkyWest FAT 17:13 SLC 20:00 93%

All 4 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 4138flown by SkyWest FAT 06:09 SLC 08:55 1h 46m 365 96% 0.5% 156 min
DL 3786flown by SkyWest FAT 09:48 SLC 12:34 1h 46m 270 97% 1.5% 56 min
DL 3768flown by SkyWest FAT 12:35 SLC 15:22 1h 47m 365 93% 0.0% 66 min
DL 3777flown by SkyWest FAT 17:13 SLC 20:00 1h 46m 341 93% 0.3% 71 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 FAT SLC 1h 46m 95% 0.5% 1,366 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