Bellingham International in March 2025

87.6%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 March 2025, reporting carriers scheduled 209 domestic departures from Bellingham International (BLI). 87.6% left less than 15 minutes late and 86.1% reached their destination on time; 0.5% were cancelled.

Nationally that month, 79.9% of flights departed on time and 79.3% arrived on time, so BLI departures were 7.7 points above the national departure figure.

A year earlier, in March 2024, the airport had 255 departures with 87.1% leaving on time: a change of +0.5 points, with flights down 18%.

Flights arriving at BLI that month were on time 82.2% of the time (208 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, national aviation system 44%, late-arriving aircraft 32% and air carrier 18%.

On time 86.1%
Arrived 15+ minutes late 13.4%
Cancelled 0.5%
Diverted 0.0%

Every scheduled departure from BLI in March 2025, judged by arrival at the destination.

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

Measure	Mar 2025	Mar 2024	BLI, 12 months to Jul 2026	All reported flights, Mar 2025
Departed on time	87.6%	87.1%	87.3%	79.9%
Arrived on time	86.1%	80.0%	84.4%	79.3%
Cancelled	0.5%	0.0%	1.5%	1.2%
Average departure delay (late minutes only)	8.3 min	9.1 min	10.9 min	14.9 min
Scheduled departures a day	7	9	6	20,029
Scheduled departures	209	255	2,237	600,872

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
G4 Allegiant Air	105	50%	93.3%	-4.8 min	0.0%
OO SkyWest Airlines	104	50%	78.8%	6.5 min	1.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BLI–SEA	Bellingham to Seattle	104	78.8%	6.5 min	1.0%
BLI–LAS	Bellingham to Las Vegas	46	93.5%	-10.8 min	0.0%
BLI–PSP	Bellingham to Palm Springs	23	87.0%	16.3 min	0.0%
BLI–AZA	Bellingham to Phoenix	17	94.1%	-8.9 min	0.0%
BLI–LAX	Bellingham to Los Angeles	10	100.0%	-11.5 min	0.0%
BLI–OAK	Bellingham to Oakland	9	100.0%	-12.3 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), March 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2025	Minutes
Air carrier	18.4%	33.0%	285
Late-arriving aircraft	32.3%	39.2%	501
National Aviation System	44.0%	21.9%	684
Extreme weather	5.3%	5.9%	83
Security	0.0%	0.1%	0

1,553 delay minutes on 28 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 BLI on time in March 2025?

87.6% of 209 scheduled domestic departures left less than 15 minutes late, and 86.1% reached their destination on time. The national figures that month were 79.9% and 79.3%.

How does that compare with a year earlier?

In March 2024, 87.1% of 255 departures left on time and 0.0% were cancelled, against 87.6% and 0.5% in March 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for March 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for BLI · methodology · corrections.