2,181 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 82%.

Best time to leave 8–9 am 98% arrive on time from SLC

Best single flight UA 2366 SLC 06:45 → IAH 10:57 · 93% on time Avoid DL 2514 SLC 17:45 → IAH 21:52 · 79% 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

Houston flights leaving SLC 9–10 am: 1Close ×


DL 2502	SLC 09:25	IAH 13:28	3h 03m	357	90%	0.3%	44 min

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.


United (incl. SkyWest, Mesa)	1,169	88%	1.2%	82 min
Delta	1,012	84%	0.2%	81 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.


UA 2366	SLC 06:45	IAH 10:57	93%
DL 2502	SLC 09:25	IAH 13:28	90%
UA 497	SLC 13:00	IAH 17:12	81%
DL 2514	SLC 17:45	IAH 21:52	79%

All 6 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.


United	SLC	IAH	3h 11m	88%	1.2%	1,169	Flying now
Delta	SLC	IAH	3h 03m	84%	0.2%	1,012	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