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

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

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

Best time to leave 9–10 pm 98% arrive on time from SLC

Best single flight DL 4234 SLC 20:50 → GJT 21:54 · 97% on time Avoid DL 4246 SLC 17:10 → GJT 18:15 · 92% 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).

SLC

% 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 4234flown by SkyWest	SLC 20:50	GJT 21:54	97%
DL 4246flown by SkyWest	SLC 17:10	GJT 18:15	92%

All 2 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 4246flown by SkyWest	SLC 17:10	GJT 18:15	1h 05m	218	92%	0.0%	53 min
DL 4234flown by SkyWest	SLC 20:50	GJT 21:54	1h 04m	365	97%	0.0%	57 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	SLC	GJT	1h 05m	95%	0.0%	583	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