Flagstaff Pulliam in May 2025

83.2%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 2025, reporting carriers scheduled 155 domestic departures from Flagstaff Pulliam (FLG). 83.2% left less than 15 minutes late and 83.2% reached their destination on time; 1.9% were cancelled.

Nationally that month, 76.7% of flights departed on time and 75.4% arrived on time, so FLG departures were 6.5 points above the national departure figure.

A year earlier, in May 2024, the airport had 155 departures with 91.6% leaving on time: a change of −8.4 points, with flights up 0%.

Flights arriving at FLG that month were on time 78.2% of the time (156 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 85%, late-arriving aircraft 13% and national aviation system 3%.

On time 83.2%
Arrived 15+ minutes late 14.8%
Cancelled 1.9%
Diverted 0.0%

Every scheduled departure from FLG in May 2025, judged by arrival at the destination.

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

Measure	May 2025	May 2024	FLG, 12 months to Jul 2026	All reported flights, May 2025
Departed on time	83.2%	91.6%	75.3%	76.7%
Arrived on time	83.2%	92.3%	75.3%	75.4%
Cancelled	1.9%	1.3%	2.8%	1.0%
Average departure delay (late minutes only)	10.7 min	7.9 min	28.3 min	17.5 min
Scheduled departures a day	5	5	5	20,188
Scheduled departures	155	155	1,637	605,648

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	155	100%	83.2%	2.3 min	1.9%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
FLG–PHX	Flagstaff to Phoenix	122	86.9%	0.5 min	0.8%
FLG–DFW	Flagstaff to Dallas/Fort Worth	32	68.8%	10.0 min	6.3%
FLG–LAX	Flagstaff to Los Angeles	1	100.0%	-10.0 min	0.0%

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 2025.

Delay causes

BTS cause category	Share of delay minutes	National, May 2025	Minutes
Air carrier	84.9%	29.3%	1,317
Late-arriving aircraft	12.6%	37.8%	196
National Aviation System	2.5%	25.9%	39
Extreme weather	0.0%	6.9%	0
Security	0.0%	0.1%	0

1,552 delay minutes on 23 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 2025?

83.2% of 155 scheduled domestic departures left less than 15 minutes late, and 83.2% reached their destination on time. The national figures that month were 76.7% and 75.4%.

How does that compare with a year earlier?

In May 2024, 91.6% of 155 departures left on time and 1.3% were cancelled, against 83.2% and 1.9% in May 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2025; 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.