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

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

No clear winner: Frontier’s SAT → ATL flights land within a few points of 65% on time whatever the hour.

Best time to leave 5–6 pm 64% arrive on time from SAT

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

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.

No Frontier flight on this route ran 150+ times in the year.

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.


Frontier	SAT	ATL	2h 29m	65%	0.0%	83	Not flying now

Alternatives with one stop

All connections →


Frontier Details →	SAT 20:59 → LAS 21:57F9 3417	1h 53m Las Vegas	LAS 23:50 → ATL 06:57 +1F9 2428	9h 00m	92%	64%
Frontier Details →	SAT 19:51 → DEN 21:23F9 3707	2h 23m Denver	DEN 23:46 → ATL 05:02 +1F9 1450	8h 11m	94%	60%

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