ON TIMEBOARD

LAX → PHX on time

Los Angeles LAX (Los Angeles, CA) to Phoenix Sky Harbor (Phoenix, AZ). Every scheduled flight, September 2025 to August 2026.

On time
80%
arrived < 15 min late
Cancelled
0.8%
7,623 flights
Typical arrival
−6 min
median vs schedule
When late
+68 min
average delay
Flights / day
21
5 airlines

80% of flights from Los Angeles to Phoenix arrived on time over the past 12 months. That is about the typical U.S. route. The 5 a.m. departures ran on time 94% of the time; the 6 p.m. ones 65%. Most reliable airline: United Airlines (89%). 7% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for LAX → PHX: when a flight was late, it was under 45 minutes late 54% of the time. About 1 in 16 flights landed an hour or more late, and 1 in 88 three hours or more; 0.8% were cancelled outright.

Share of all 7,623 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines2,06478%0.5%−6 min9.0%+90 minAmerican Airlines 99%, SkyWest 1%, Envoy 0%
Southwest Airlines1,99272%1.0%−1 min7.1%+53 minSouthwest Airlines
Delta Air Lines1,72185%0.6%−8 min4.0%+57 minSkyWest 91%, Delta Air Lines 9%
United Airlines1,34689%0.8%−10 min4.0%+75 minSkyWest 82%, United Airlines 18%
Frontier Airlines50075%1.4%−6 min8.0%+72 minFrontier Airlines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at LAX). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%5 a.m. departures: 94% on time (261 flights)945a6 a.m. departures: 93% on time (395 flights)936a7 a.m. departures: 76% on time (300 flights)767a8 a.m. departures: 88% on time (754 flights)888a9 a.m. departures: 79% on time (186 flights)799a10 a.m. departures: 83% on time (806 flights)8310a11 a.m. departures: 81% on time (190 flights)8111anoon departures: 76% on time (153 flights)7612p1 p.m. departures: 81% on time (808 flights)811p2 p.m. departures: 76% on time (386 flights)762p3 p.m. departures: 72% on time (170 flights)723p4 p.m. departures: 73% on time (717 flights)734p5 p.m. departures: 78% on time (458 flights)785p6 p.m. departures: 65% on time (197 flights)656p7 p.m. departures: 75% on time (590 flights)757p8 p.m. departures: 79% on time (508 flights)798p9 p.m. departures: 76% on time (407 flights)769p10 p.m. departures: 73% on time (337 flights)7310p
LAX → PHX, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By airline and hour

DepartsAmerican AirlinesSouthwest AirlinesDelta Air LinesUnited Airlines
5 a.m.—94%——
6 a.m.93%———
7 a.m.—77%75%—
8 a.m.—84%93%87%
9 a.m.78%———
10 a.m.83%74%86%—
11 a.m.—80%——
noon75%———
1 p.m.68%—93%89%
2 p.m.—61%84%—
3 p.m.—68%——
4 p.m.65%——92%
5 p.m.—53%86%—
7 p.m.79%63%——
8 p.m.80%70%74%—
9 p.m.—60%86%—
10 p.m.———81%

Last flight of the day

On LAX → PHX, each airline's last flight of the day was cancelled 0.7% of the time, against 0.8% for its earlier flights, about the same. It arrived 3+ hours late 0.5% of the time (earlier flights: 1.3%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
American Airlines7:36 p.m.0.8%0.3%0.5%first flight 6:19 a.m.
Delta Air Lines10:35 p.m.0.3%0.3%0.7%first flight 8:21 a.m.
Frontier Airlines2:00 p.m.2.1%1.4%1.4%first flight 2:00 p.m.
United Airlines9:22 p.m.0.0%0.8%1.1%first flight 8:37 a.m.
Southwest Airlines10:00 p.m.1.1%0.3%1.0%first flight 5:78 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

By month

Each calendar month pooled over 2023–2026. Best: September (86%). Worst: July (76%).

40%70%100%Jan: 83% on time (1,769 flights)83JanFeb: 83% on time (1,666 flights)83FebMar: 77% on time (1,900 flights)77MarApr: 82% on time (1,834 flights)82AprMay: 78% on time (1,886 flights)78MayJun: 77% on time (1,805 flights)77JunJul: 76% on time (1,864 flights)76JulAug: 82% on time (1,878 flights)82AugSep: 86% on time (1,761 flights)86SepOct: 82% on time (1,916 flights)82OctNov: 82% on time (1,866 flights)82NovDec: 85% on time (1,877 flights)85Dec

By day of week

DayFlightsOn timeCancelled
Monday1,17878%0.7%
Tuesday1,03785%0.7%
Wednesday1,05384%0.6%
Thursday1,14079%0.4%
Friday1,11775%1.5%
Saturday95182%0.6%
Sunday1,14776%0.9%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 50%Airline (crew, maintenance, ops) 33%Air traffic & airport (NAS) 14%Severe weather 3%

Cancellations: air traffic/airport 28 · weather 16 · airline 15

Month by month

60%80%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 86% on time, 0.0% cancelledOct 2023: 81% on time, 0.0% cancelledNov 2023: 88% on time, 0.0% cancelledDec 2023: 85% on time, 0.2% cancelledJan 2024: 76% on time, 2.7% cancelledFeb 2024: 79% on time, 0.2% cancelledMar 2024: 70% on time, 0.0% cancelledApr 2024: 75% on time, 0.2% cancelledMay 2024: 68% on time, 0.9% cancelledJun 2024: 71% on time, 0.7% cancelledJul 2024: 71% on time, 1.0% cancelledAug 2024: 82% on time, 0.3% cancelledSep 2024: 89% on time, 0.0% cancelledOct 2024: 85% on time, 0.0% cancelledNov 2024: 86% on time, 0.0% cancelledDec 2024: 87% on time, 0.1% cancelledJan 2025: 90% on time, 0.5% cancelledFeb 2025: 88% on time, 0.3% cancelledMar 2025: 83% on time, 0.1% cancelledApr 2025: 85% on time, 0.0% cancelledMay 2025: 85% on time, 0.0% cancelledJun 2025: 83% on time, 0.0% cancelledJul 2025: 80% on time, 1.0% cancelledAug 2025: 83% on time, 0.3% cancelledSep 2025: 82% on time, 1.4% cancelledOct 2025: 81% on time, 0.1% cancelledNov 2025: 72% on time, 4.2% cancelledDec 2025: 82% on time, 0.4% cancelledJan 2026: 82% on time, 0.8% cancelledFeb 2026: 80% on time, 0.2% cancelledMar 2026: 77% on time, 0.7% cancelledApr 2026: 84% on time, 0.2% cancelledMay 2026: 81% on time, 0.0% cancelledJun 2026: 78% on time, 0.2% cancelledJul 2026: 77% on time, 0.2% cancelledAug 2026: 80% on time, 0.8% cancelled
Share of flights on time, by month (hover a point for cancellations)
LAX → PHX, monthly on-time and cancellation rate.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
AA 20276:10 a.m.14995%0.0%−12 minAmerican Airlines
DL 41197:20 a.m.36283%1.9%−10 minSkyWest
DL 395110:01 a.m.28987%0.4%−7 minSkyWest
AA 19941:15 p.m.13466%0.8%−3 minAmerican Airlines
F9 10621:56 p.m.21676%1.4%−6 minFrontier Airlines
DL 38942:19 p.m.36588%0.3%−7 minSkyWest
AA 20324:26 p.m.16465%0.6%−2 minAmerican Airlines
DL 40775:41 p.m.21687%0.0%−10 minSkyWest
AA 13627:30 p.m.14469%0.0%−4 minAmerican Airlines
DL 382710:35 p.m.16584%0.0%−7 minSkyWest

Worst days in the past year

DateFlightsOn timeCancelled
Sep 26, 20252114%7
Oct 13, 20252326%0
Jan 2, 20262227%0
Nov 10, 20252438%3
Nov 9, 20252442%5

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Los Angeles or Phoenix. None has been clearly more reliable than LAX → PHX.

RouteFlightsOn timeCancelled
LAX → PHX (this route)7,62380%0.8%
BUR → PHX Hollywood Burbank to Phoenix Sky Harbor3,11882%1.0%
ONT → PHX Ontario to Phoenix Sky Harbor3,01182%0.6%
SNA → PHX Orange County John Wayne to Phoenix Sky Harbor4,63682%0.8%
LGB → PHX Long Beach to Phoenix Sky Harbor1,51580%0.3%

Questions

How often are flights from LAX to PHX on time?

80% of 7,623 scheduled flights from Los Angeles, CA to Phoenix, AZ arrived within 15 minutes of schedule between September 2025 and August 2026. 0.8% were cancelled.

What is the best time of day to fly LAX to PHX?

Flights scheduled to leave at 5 a.m. were the most reliable (94% on time). The 6 p.m. departures were the least (65%).

Which airline is most on time from LAX to PHX?

United Airlines: 89% of its 1,346 flights on the route arrived on time. American Airlines: 78%. Southwest Airlines: 72%. Delta Air Lines: 85%. Frontier Airlines: 75%.

What month has the most delays from LAX to PHX?

July (76% on time). The best month is September (86%), over 2023–2026.

Is the last flight of the day from LAX to PHX more likely to be cancelled?

Not much. Each airline's last LAX–PHX flight of the day was cancelled 0.7% of the time over the past year, against 0.8% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.