Yuma MCAS/Yuma International in May 2026

88.7%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 May 2026, reporting carriers scheduled 141 domestic departures from Yuma MCAS/Yuma International (YUM). 88.7% left less than 15 minutes late and 87.2% reached their destination on time; 0.7% were cancelled.

Nationally that month, 77.1% of flights departed on time and 77.6% arrived on time, so YUM departures were 11.6 points above the national departure figure.

A year earlier, in May 2025, the airport had 127 departures with 86.6% leaving on time: a change of +2.1 points, with flights up 11%.

Flights arriving at YUM that month were on time 83.0% of the time (141 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 51%, air carrier 43% and national aviation system 6%.

On time 87.2%
Arrived 15+ minutes late 11.3%
Cancelled 0.7%
Diverted 0.7%

Every scheduled departure from YUM in May 2026, judged by arrival at the destination.

May 2026 against a year earlier, the airport's year and the nation

Measure	May 2026	May 2025	YUM, 12 months to Jul 2026	All reported flights, May 2026
Departed on time	88.7%	86.6%	85.7%	77.1%
Arrived on time	87.2%	84.3%	85.3%	77.6%
Cancelled	0.7%	0.0%	1.2%	0.9%
Average departure delay (late minutes only)	9.8 min	22.1 min	14.4 min	16.0 min
Scheduled departures a day	5	4	5	20,391
Scheduled departures	141	127	1,692	611,735

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	125	89%	88.0%	-3.4 min	0.8%
MQ Envoy Air	16	11%	81.3%	6.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
YUM–PHX	Yuma to Phoenix	110	87.3%	-2.0 min	0.0%
YUM–DFW	Yuma to Dallas/Fort Worth	31	87.1%	-3.6 min	3.2%

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), May 2026.

Delay causes

BTS cause category	Share of delay minutes	National, May 2026	Minutes
Air carrier	42.8%	33.0%	552
Late-arriving aircraft	50.7%	40.4%	654
National Aviation System	6.4%	20.5%	83
Extreme weather	0.0%	6.0%	0
Security	0.0%	0.1%	0

1,289 delay minutes on 16 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 May 2026?

88.7% of 141 scheduled domestic departures left less than 15 minutes late, and 87.2% reached their destination on time. The national figures that month were 77.1% and 77.6%.

How does that compare with a year earlier?

In May 2025, 86.6% of 127 departures left on time and 0.0% were cancelled, against 88.7% and 0.7% in May 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2026; 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.