Flagstaff Pulliam in April 2025

79.5%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 April 2025, reporting carriers scheduled 161 domestic departures from Flagstaff Pulliam (FLG). 79.5% left less than 15 minutes late and 73.3% reached their destination on time; 3.1% were cancelled.

Nationally that month, 80.6% of flights departed on time and 79.5% arrived on time, so FLG departures were 1.1 points below the national departure figure.

A year earlier, in April 2024, the airport had 143 departures with 89.5% leaving on time: a change of −10.0 points, with flights up 13%.

Flights arriving at FLG that month were on time 78.9% of the time (161 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 59%, late-arriving aircraft 20% and national aviation system 15%.

On time 73.3%
Arrived 15+ minutes late 23.0%
Cancelled 3.1%
Diverted 0.6%

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

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

Measure	Apr 2025	Apr 2024	FLG, 12 months to Jul 2026	All reported flights, Apr 2025
Departed on time	79.5%	89.5%	75.3%	80.6%
Arrived on time	73.3%	85.3%	75.3%	79.5%
Cancelled	3.1%	0.7%	2.8%	0.8%
Average departure delay (late minutes only)	16.7 min	8.7 min	28.3 min	14.1 min
Scheduled departures a day	5	5	5	19,465
Scheduled departures	161	143	1,637	583,950

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	161	100%	73.3%	10.8 min	3.1%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
FLG–PHX	Flagstaff to Phoenix	123	76.4%	6.6 min	2.4%
FLG–DFW	Flagstaff to Dallas/Fort Worth	34	64.7%	20.1 min	5.9%
FLG–LAX	Flagstaff to Los Angeles	4	50.0%	65.0 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), April 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2025	Minutes
Air carrier	59.1%	32.7%	1,787
Late-arriving aircraft	20.1%	39.4%	607
National Aviation System	15.1%	22.2%	456
Extreme weather	5.8%	5.5%	176
Security	0.0%	0.2%	0

3,026 delay minutes on 37 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 April 2025?

79.5% of 161 scheduled domestic departures left less than 15 minutes late, and 73.3% reached their destination on time. The national figures that month were 80.6% and 79.5%.

How does that compare with a year earlier?

In April 2024, 89.5% of 143 departures left on time and 0.7% were cancelled, against 79.5% and 3.1% in April 2025.

Provenance

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