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

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

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 72%.

Best time to leave 9–10 am 95% arrive on time from PHX

Best single flight F9 1440 PHX 09:05 → SLC 11:49 · 93% on time Avoid F9 2526 PHX 13:31 → SLC 16:11 · 85% 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).

PHX

% 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 1440	PHX 09:05	SLC 11:49	93%
F9 2526	PHX 13:31	SLC 16:11	85%

All 3 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 1440	PHX 09:05	SLC 11:49	1h 44m	235	93%	0.4%	91 min
F9 3872	PHX 09:14	SLC 11:54	1h 39m	100	93%	1.0%	43 min
F9 2526	PHX 13:31	SLC 16:11	1h 41m	181	85%	1.7%	98 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	PHX	SLC	1h 44m	86%	1.4%	697	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