1,008 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Delta’s SLC → SAT flights land within a few points of 85% on time whatever the hour.

Best time to leave 1–2 pm 87% arrive on time from SLC

Best single flight DL 2680 SLC 13:25 → SAT 17:13 · 86% on time Avoid DL 2797 SLC 20:30 → SAT 00:26 · 82% 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

San Antonio flights leaving SLC 8–9 pm: 1Close ×


DL 2797	SLC 20:30	SAT 00:26	2h 46m	364	82%	1.1%	78 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.


Delta	1,008	85%	0.8%	64 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 2680	SLC 13:25	SAT 17:13	86%
DL 3123	SLC 09:51	SAT 13:40	83%
DL 2797	SLC 20:30	SAT 00:26	82%

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	SAT	2h 46m	85%	0.8%	1,008	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