Yuma MCAS/Yuma International in September 2025

79.8%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In September 2025, reporting carriers scheduled 119 domestic departures from Yuma MCAS/Yuma International (YUM). 79.8% left less than 15 minutes late and 85.7% reached their destination on time; 1.7% were cancelled.

Nationally that month, 83.1% of flights departed on time and 82.8% arrived on time, so YUM departures were 3.3 points below the national departure figure.

A year earlier, in September 2024, the airport had 167 departures with 92.8% leaving on time: a change of −13.0 points, with flights down 29%.

Flights arriving at YUM that month were on time 79.8% of the time (119 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 48%, extreme weather 25% and late-arriving aircraft 15%.

On time 85.7%
Arrived 15+ minutes late 11.8%
Cancelled 1.7%
Diverted 0.8%

Every scheduled departure from YUM in September 2025, judged by arrival at the destination.

September 2025 against a year earlier, the airport's year and the nation

Measure	Sep 2025	Sep 2024	YUM, 12 months to Jul 2026	All reported flights, Sep 2025
Departed on time	79.8%	92.8%	85.7%	83.1%
Arrived on time	85.7%	92.8%	85.3%	82.8%
Cancelled	1.7%	0.0%	1.2%	0.5%
Average departure delay (late minutes only)	19.9 min	14.5 min	14.4 min	12.2 min
Scheduled departures a day	4	6	5	18,748
Scheduled departures	119	167	1,692	562,439

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	116	97%	85.3%	7.7 min	1.7%
MQ Envoy Air	3	3%	100.0%	-12.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
YUM–PHX	Yuma to Phoenix	89	83.1%	13.1 min	1.1%
YUM–DFW	Yuma to Dallas/Fort Worth	30	93.3%	-11.2 min	3.3%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), September 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2025	Minutes
Air carrier	47.9%	34.3%	907
Late-arriving aircraft	14.7%	37.4%	278
National Aviation System	12.6%	22.6%	239
Extreme weather	24.8%	5.6%	469
Security	0.0%	0.1%	0

1,893 delay minutes on 14 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left YUM on time in September 2025?

79.8% of 119 scheduled domestic departures left less than 15 minutes late, and 85.7% reached their destination on time. The national figures that month were 83.1% and 82.8%.

How does that compare with a year earlier?

In September 2024, 92.8% of 167 departures left on time and 0.0% were cancelled, against 79.8% and 1.7% in September 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for YUM · methodology · corrections.