ON TIMEBOARD

FLG → PHX on time

Flagstaff Pulliam (Flagstaff, AZ) to Phoenix Sky Harbor (Phoenix, AZ). Every scheduled flight, September 2025 to August 2026.

On time
80%
arrived < 15 min late
Cancelled
2.7%
1,216 flights
Typical arrival
−9 min
median vs schedule
When late
+120 min
average delay
Flights / day
3
1 airline

80% of flights from Flagstaff to Phoenix arrived on time over the past 12 months. That is about the typical U.S. route. The 6 a.m. departures ran on time 85% of the time; the 1 p.m. ones 68%. 12% 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 FLG → PHX: when a flight was late, it was under 45 minutes late 37% of the time. About 1 in 11 flights landed an hour or more late, and 1 in 29 three hours or more; 2.7% were cancelled outright.

Share of all 1,216 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines1,21680%2.7%−9 min9.4%+120 minSkyWest

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 FLG). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%6 a.m. departures: 85% on time (150 flights)856a7 a.m. departures: 84% on time (156 flights)847a8 a.m. departures: too few flights (48 flights)8a9 a.m. departures: too few flights (8 flights)9a10 a.m. departures: 83% on time (149 flights)8310a11 a.m. departures: 82% on time (184 flights)8211anoon departures: 82% on time (112 flights)8212p1 p.m. departures: 68% on time (105 flights)681p2 p.m. departures: too few flights2p3 p.m. departures: too few flights3p4 p.m. departures: too few flights (91 flights)4p5 p.m. departures: too few flights (96 flights)5p6 p.m. departures: too few flights (57 flights)6p7 p.m. departures: too few flights (60 flights)7p
FLG → 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

Last flight of the day

On FLG → PHX, each airline's last flight of the day was cancelled 3.3% of the time, against 2.5% for its earlier flights (1.3× as often). It arrived 3+ hours late 3.6% of the time (earlier flights: 3.4%). 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 Airlines1:48 p.m.3.3%3.6%2.5%first flight 6:50 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.

If you need to be in PHX tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: May (88%). Worst: March (75%).

40%70%100%Jan: 84% on time (245 flights)84JanFeb: 78% on time (274 flights)78FebMar: 75% on time (348 flights)75MarApr: 84% on time (346 flights)84AprMay: 88% on time (356 flights)88MayJun: 79% on time (299 flights)79JunJul: 80% on time (303 flights)80JulAug: 88% on time (279 flights)88AugSep: 87% on time (325 flights)87SepOct: 83% on time (363 flights)83OctNov: 79% on time (394 flights)79NovDec: 85% on time (340 flights)85Dec

By day of week

DayFlightsOn timeCancelled
Monday18575%2.2%
Tuesday15484%2.6%
Wednesday16784%3.6%
Thursday17977%2.8%
Friday17677%3.4%
Saturday16486%3.0%
Sunday19176%1.6%

Why flights were late

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

Airline (crew, maintenance, ops) 54%Late inbound plane 21%Severe weather 14%Air traffic & airport (NAS) 11%

Cancellations: weather 26 · airline 5 · air traffic/airport 2

Month by month

60%80%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 89% on time, 0.0% cancelledOct 2023: 87% on time, 0.0% cancelledNov 2023: 89% on time, 0.0% cancelledMar 2024: 79% on time, 1.0% cancelledApr 2024: 89% on time, 0.0% cancelledMay 2024: 96% on time, 0.0% cancelledJun 2024: 84% on time, 0.0% cancelledJul 2024: 89% on time, 0.0% cancelledAug 2024: 90% on time, 0.0% cancelledSep 2024: 91% on time, 0.0% cancelledOct 2024: 80% on time, 0.0% cancelledNov 2024: 76% on time, 0.0% cancelledDec 2024: 87% on time, 0.8% cancelledFeb 2025: 86% on time, 0.0% cancelledMar 2025: 71% on time, 4.0% cancelledApr 2025: 76% on time, 2.4% cancelledMay 2025: 87% on time, 0.8% cancelledSep 2025: 81% on time, 1.8% cancelledOct 2025: 82% on time, 0.0% cancelledNov 2025: 72% on time, 6.9% cancelledDec 2025: 87% on time, 0.0% cancelledApr 2026: 88% on time, 0.0% cancelledMay 2026: 80% on time, 0.0% cancelled
Share of flights on time, by month (hover a point for cancellations)
FLG → 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 64416:50 a.m.16089%1.3%−8 minSkyWest

Worst days in the past year

DateFlightsOn timeCancelled
Oct 12, 202540%0
Nov 19, 202540%0
Apr 26, 202640%0
Mar 16, 202630%0
Jul 1, 202630%3

Questions

How often are flights from FLG to PHX on time?

80% of 1,216 scheduled flights from Flagstaff, AZ to Phoenix, AZ arrived within 15 minutes of schedule between September 2025 and August 2026. 2.7% were cancelled.

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

Flights scheduled to leave at 6 a.m. were the most reliable (85% on time). The 1 p.m. departures were the least (68%).

What month has the most delays from FLG to PHX?

March (75% on time). The best month is May (88%), over 2023–2026.

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

Yes. Each airline's last FLG–PHX flight of the day was cancelled 3.3% of the time over the past year, against 2.5% 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.