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Showing Frontier only (incl. its regional partners)All airlines ×
893 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Frontier’s LAS → SFO flights land within a few points of 64% on time whatever the hour.

Best time to leave 6–7 am 94% arrive on time from LAS
Best single flight F9 3019 LAS 07:00 → SFO 08:49 · 76% on time Avoid F9 4401 LAS 14:34 → SFO 16:36 · 52% 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).

6
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LAS
95
50
44
56
86
64
54
76
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64
% 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.
F9 3019 LAS 07:00 SFO 08:49 76%
F9 3801 LAS 17:51 SFO 19:44 65%
F9 4401 LAS 14:34 SFO 16:36 52%

All 4 Frontier 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.
F9 3019 LAS 07:00 SFO 08:49 1h 49m 241 76% 1.2% 55 min
F9 4157 LAS 13:30 SFO 15:25 1h 55m 40 69% 2.5% 58 min
F9 4401 LAS 14:34 SFO 16:36 1h 53m 330 52% 1.5% 76 min
F9 3801 LAS 17:51 SFO 19:44 1h 53m 267 65% 2.2% 75 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.
Frontier LAS SFO 1h 53m 64% 1.7% 893 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