Fairbanks International in September 2025

92.2%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 September 2025, reporting carriers scheduled 359 domestic departures from Fairbanks International (FAI). 92.2% left less than 15 minutes late and 86.4% reached their destination on time; 0.3% were cancelled.

Nationally that month, 83.1% of flights departed on time and 82.8% arrived on time, so FAI departures were 9.1 points above the national departure figure.

A year earlier, in September 2024, the airport had 347 departures with 82.4% leaving on time: a change of +9.8 points, with flights up 3%.

Flights arriving at FAI that month were on time 89.4% of the time (357 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 44%, national aviation system 36% and air carrier 21%.

On time 86.4%
Arrived 15+ minutes late 13.4%
Cancelled 0.3%
Diverted 0.0%

Every scheduled departure from FAI 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	FAI, 12 months to Jul 2026	All reported flights, Sep 2025
Departed on time	92.2%	82.4%	83.2%	83.1%
Arrived on time	86.4%	90.8%	82.0%	82.8%
Cancelled	0.3%	0.6%	1.0%	0.5%
Average departure delay (late minutes only)	4.7 min	8.7 min	12.6 min	12.2 min
Scheduled departures a day	12	12	11	18,748
Scheduled departures	359	347	4,165	562,439

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AS Alaska Airlines	236	66%	86.0%	-2.0 min	0.4%
DL Delta Air Lines	75	21%	82.7%	0.4 min	0.0%
UA United Airlines	48	13%	93.8%	-11.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
FAI–SEA	Fairbanks to Seattle	236	82.6%	0.2 min	0.0%
FAI–ANC	Fairbanks to Anchorage	60	95.0%	-7.5 min	1.7%
FAI–DEN	Fairbanks to Denver	24	100.0%	-12.6 min	0.0%
FAI–ORD	Fairbanks to Chicago	24	87.5%	-9.4 min	0.0%
FAI–SLC	Fairbanks to Salt Lake City	8	100.0%	-4.7 min	0.0%
FAI–MSP	Fairbanks to Minneapolis	7	71.4%	-3.0 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), September 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2025	Minutes
Air carrier	20.5%	34.3%	403
Late-arriving aircraft	43.9%	37.4%	861
National Aviation System	35.6%	22.6%	699
Extreme weather	0.0%	5.6%	0
Security	0.0%	0.1%	0

1,963 delay minutes on 48 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 FAI on time in September 2025?

92.2% of 359 scheduled domestic departures left less than 15 minutes late, and 86.4% 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, 82.4% of 347 departures left on time and 0.6% were cancelled, against 92.2% and 0.3% 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 FAI · methodology · corrections.