Flagstaff Pulliam in September 2025

81.3%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 139 domestic departures from Flagstaff Pulliam (FLG). 81.3% left less than 15 minutes late and 82.0% reached their destination on time; 1.4% were cancelled.

Nationally that month, 83.1% of flights departed on time and 82.8% arrived on time, so FLG departures were 1.8 points below the national departure figure.

A year earlier, in September 2024, the airport had 137 departures with 93.4% leaving on time: a change of −12.1 points, with flights up 1%.

Flights arriving at FLG that month were on time 77.7% of the time (139 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 56%, extreme weather 23% and late-arriving aircraft 16%.

On time 82.0%
Arrived 15+ minutes late 16.5%
Cancelled 1.4%
Diverted 0.0%

Every scheduled departure from FLG 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	FLG, 12 months to Jul 2026	All reported flights, Sep 2025
Departed on time	81.3%	93.4%	75.3%	83.1%
Arrived on time	82.0%	90.5%	75.3%	82.8%
Cancelled	1.4%	0.0%	2.8%	0.5%
Average departure delay (late minutes only)	19.3 min	8.7 min	28.3 min	12.2 min
Scheduled departures a day	5	5	5	18,748
Scheduled departures	139	137	1,637	562,439

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	139	100%	82.0%	8.3 min	1.4%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
FLG–PHX	Flagstaff to Phoenix	109	80.7%	9.3 min	1.8%
FLG–DFW	Flagstaff to Dallas/Fort Worth	30	86.7%	4.8 min	0.0%

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	55.8%	34.3%	1,392
Late-arriving aircraft	16.4%	37.4%	410
National Aviation System	4.4%	22.6%	109
Extreme weather	23.4%	5.6%	583
Security	0.0%	0.1%	0

2,494 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 September 2025?

81.3% of 139 scheduled domestic departures left less than 15 minutes late, and 82.0% 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, 93.4% of 137 departures left on time and 0.0% were cancelled, against 81.3% and 1.4% 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 FLG · methodology · corrections.