Flagstaff Pulliam in May 2026

67.1%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 161 domestic departures from Flagstaff Pulliam (FLG). 67.1% left less than 15 minutes late and 69.6% reached their destination on time; 2.5% were cancelled.

Nationally that month, 77.1% of flights departed on time and 77.6% arrived on time, so FLG departures were 10.0 points below the national departure figure.

A year earlier, in May 2025, the airport had 155 departures with 83.2% leaving on time: a change of −16.1 points, with flights up 4%.

Flights arriving at FLG that month were on time 75.8% of the time (161 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 66%, late-arriving aircraft 20% and extreme weather 6%.

On time 69.6%
Arrived 15+ minutes late 27.3%
Cancelled 2.5%
Diverted 0.6%

Every scheduled departure from FLG 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	FLG, 12 months to Jul 2026	All reported flights, May 2026
Departed on time	67.1%	83.2%	75.3%	77.1%
Arrived on time	69.6%	83.2%	75.3%	77.6%
Cancelled	2.5%	1.9%	2.8%	0.9%
Average departure delay (late minutes only)	33.1 min	10.7 min	28.3 min	16.0 min
Scheduled departures a day	5	5	5	20,391
Scheduled departures	161	155	1,637	611,735

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	150	93%	70.7%	23.4 min	2.0%
AA American Airlines	11	7%	54.5%	69.3 min	9.1%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
FLG–PHX	Flagstaff to Phoenix	110	80.0%	11.8 min	0.0%
FLG–DFW	Flagstaff to Dallas/Fort Worth	51	47.1%	61.2 min	7.8%

By scheduled departure hour

100

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	66.3%	33.0%	3,307
Late-arriving aircraft	20.2%	40.4%	1,010
National Aviation System	5.9%	20.5%	292
Extreme weather	6.0%	6.0%	298
Security	1.6%	0.1%	81

4,988 delay minutes on 44 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 FLG on time in May 2026?

67.1% of 161 scheduled domestic departures left less than 15 minutes late, and 69.6% 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, 83.2% of 155 departures left on time and 1.9% were cancelled, against 67.1% and 2.5% 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 FLG · methodology · corrections.