ON TIMEBOARD

YUM → PHX on time

Yuma / Marine Corps Air Station Yuma (Yuma, AZ) to Phoenix Sky Harbor (Phoenix, AZ). Every scheduled flight, September 2025 to August 2026.

On time
84%
arrived < 15 min late
Cancelled
1.2%
1,322 flights
Typical arrival
−10 min
median vs schedule
When late
+99 min
average delay
Flights / day
4
1 airline

84% of flights from Yuma to Phoenix arrived on time over the past 12 months. That is better than the typical U.S. route. The 6 a.m. departures ran on time 94% of the time; the 5 p.m. ones 69%. 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 YUM → PHX: when a flight was late, it was under 45 minutes late 46% of the time. About 1 in 16 flights landed an hour or more late, and 1 in 63 three hours or more; 1.2% were cancelled outright.

Share of all 1,322 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines1,32284%1.2%−10 min6.2%+99 minSkyWest 77%, Envoy 23%

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

40%70%100%5 a.m. departures: too few flights (30 flights)5a6 a.m. departures: 94% on time (292 flights)946a7 a.m. departures: too few flights (21 flights)7a8 a.m. departures: too few flights (13 flights)8a9 a.m. departures: too few flights9a10 a.m. departures: 83% on time (104 flights)8310a11 a.m. departures: 86% on time (278 flights)8611anoon departures: 80% on time (123 flights)8012p1 p.m. departures: too few flights (17 flights)1p2 p.m. departures: too few flights (51 flights)2p3 p.m. departures: too few flights (30 flights)3p4 p.m. departures: too few flights (15 flights)4p5 p.m. departures: 69% on time (167 flights)695p6 p.m. departures: 82% on time (141 flights)826p7 p.m. departures: too few flights (34 flights)7p
YUM → 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 YUM → PHX, each airline's last flight of the day was cancelled 1.7% of the time, against 1.0% for its earlier flights (1.6× as often). It arrived 3+ hours late 1.4% of the time (earlier flights: 1.7%). 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 Airlines5:00 p.m.1.7%1.4%1.0%first flight 6:45 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: September (91%). Worst: February (81%).

40%70%100%Jan: 88% on time (341 flights)88JanFeb: 81% on time (328 flights)81FebMar: 82% on time (379 flights)82MarApr: 88% on time (341 flights)88AprMay: 83% on time (316 flights)83MayJun: 81% on time (268 flights)81JunJul: 85% on time (271 flights)85JulAug: 90% on time (281 flights)90AugSep: 91% on time (341 flights)91SepOct: 88% on time (359 flights)88OctNov: 84% on time (403 flights)84NovDec: 86% on time (352 flights)86Dec

By day of week

DayFlightsOn timeCancelled
Monday19984%1.0%
Tuesday17284%0.6%
Wednesday19089%1.1%
Thursday18981%1.1%
Friday19383%2.6%
Saturday18083%1.1%
Sunday19982%1.0%

Why flights were late

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

Airline (crew, maintenance, ops) 55%Late inbound plane 31%Air traffic & airport (NAS) 9%Severe weather 5%

Cancellations: air traffic/airport 10 · weather 5 · airline 1

Month by month

60%80%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 92% on time, 0.0% cancelledOct 2023: 90% on time, 0.0% cancelledNov 2023: 86% on time, 0.0% cancelledDec 2023: 87% on time, 0.0% cancelledMar 2024: 88% on time, 0.0% cancelledApr 2024: 90% on time, 0.0% cancelledMay 2024: 78% on time, 0.9% cancelledAug 2024: 91% on time, 0.0% cancelledSep 2024: 94% on time, 0.0% cancelledOct 2024: 89% on time, 0.0% cancelledNov 2024: 91% on time, 0.0% cancelledDec 2024: 83% on time, 0.0% cancelledJan 2025: 96% on time, 0.0% cancelledFeb 2025: 81% on time, 0.0% cancelledMar 2025: 73% on time, 0.0% cancelledApr 2025: 85% on time, 0.0% cancelledOct 2025: 84% on time, 0.0% cancelledNov 2025: 74% on time, 8.8% cancelledDec 2025: 87% on time, 0.0% cancelledJan 2026: 87% on time, 0.0% cancelledFeb 2026: 77% on time, 0.9% cancelledMar 2026: 89% on time, 0.0% cancelledApr 2026: 89% on time, 0.0% cancelledMay 2026: 87% on time, 0.0% cancelled
Share of flights on time, by month (hover a point for cancellations)
YUM → PHX, monthly on-time and cancellation rate.

Worst days in the past year

DateFlightsOn timeCancelled
Jan 1, 202640%0
Jul 16, 202630%0
Jan 8, 2026520%0
Nov 23, 2025520%1
Oct 12, 2025425%0

Questions

How often are flights from YUM to PHX on time?

84% of 1,322 scheduled flights from Yuma, AZ to Phoenix, AZ arrived within 15 minutes of schedule between September 2025 and August 2026. 1.2% were cancelled.

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

Flights scheduled to leave at 6 a.m. were the most reliable (94% on time). The 5 p.m. departures were the least (69%).

What month has the most delays from YUM to PHX?

February (81% on time). The best month is September (91%), over 2023–2026.

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

Yes. Each airline's last YUM–PHX flight of the day was cancelled 1.7% of the time over the past year, against 1.0% 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.