Flight history · Aug 2025 – Jul 2026 · US DOT on-time records

F9 3644 · Los Angeles (LAX) → Phoenix (PHX)

Sold by Frontier. Still flying: 3 of the last 56 days.

Arrives on time70%within 15 minutes, of 166 flights
Cancelled1.8%of scheduled flights
An hour or more late13%of flights that operated
When late, on average81 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.

Leaves LAX
22:05
Arrives PHX
23:42
Flight time
1h 37m
Days flown, last 8 weeks
3 of 56

Each square is a day, Sat Jun 6 to Fri Jul 31, two weeks per row (each column is the same weekday); filled = flew.

How late it arrives

Share of flights that operated arriving more than this late.

15+ min late30%
30+ min late21%
1h+ late13%
2h+ late7%
10%20%30%40%50% 015301h1h302h3h

Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.

Its hour at LAX

All flights leaving Los Angeles (LAX) at 10–11 pm, wherever they’re going: 80% left within 15 minutes and 1.3% were cancelled (8,482 flights in the year). Other Frontier flights on this route →

Upcoming forecasts

This flight isn’t in our published forecasts for the next few days.