3,040 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 7 in 10.

Best time to leave 5–6 am 97% arrive on time from SAT

Best single flight UA 2853 SAT 08:53 → DEN 10:11 · 86% on time Avoid UA 2479 SAT 16:35 → DEN 18:08 · 76% 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).

SAT

% 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

Denver flights leaving SAT 4–5 pm: 1Close ×


UA 2479	SAT 16:35	DEN 18:08	2h 33m	277	76%	0.0%	65 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)	1,223	83%	0.7%	84 min
Southwest	1,434	82%	0.2%	53 min
Frontier	383	82%	0.5%	92 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 2853	SAT 08:53	DEN 10:11	86%
UA 2479	SAT 16:35	DEN 18:08	76%

All 12 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	SAT	DEN	2h 19m	83%	0.7%	1,223	Flying now
Southwest	SAT	DEN	2h 15m	82%	0.2%	1,434	Flying now
Frontier	SAT	DEN	2h 24m	82%	0.5%	383	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