Bellingham International in August 2025

88.1%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 August 2025, reporting carriers scheduled 201 domestic departures from Bellingham International (BLI). 88.1% left less than 15 minutes late and 88.6% reached their destination on time; 0.5% were cancelled.

Nationally that month, 76.8% of flights departed on time and 76.3% arrived on time, so BLI departures were 11.3 points above the national departure figure.

A year earlier, in August 2024, the airport had 184 departures with 84.2% leaving on time: a change of +3.9 points, with flights up 9%.

Flights arriving at BLI that month were on time 82.6% of the time (201 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 59%, air carrier 29% and national aviation system 12%.

On time 88.6%
Arrived 15+ minutes late 10.9%
Cancelled 0.5%
Diverted 0.0%

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

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

Measure	Aug 2025	Aug 2024	BLI, 12 months to Jul 2026	All reported flights, Aug 2025
Departed on time	88.1%	84.2%	87.3%	76.8%
Arrived on time	88.6%	78.3%	84.4%	76.3%
Cancelled	0.5%	0.5%	1.5%	1.1%
Average departure delay (late minutes only)	5.6 min	8.3 min	10.9 min	17.6 min
Scheduled departures a day	7	6	6	20,079
Scheduled departures	201	184	2,237	602,378

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	124	62%	85.5%	0.5 min	0.8%
G4 Allegiant Air	77	38%	93.5%	-4.4 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BLI–SEA	Bellingham to Seattle	124	85.5%	0.5 min	0.8%
BLI–LAS	Bellingham to Las Vegas	40	90.0%	-2.8 min	0.0%
BLI–OAK	Bellingham to Oakland	13	92.3%	-4.4 min	0.0%
BLI–AZA	Bellingham to Phoenix	11	100.0%	-8.5 min	0.0%
BLI–LAX	Bellingham to Los Angeles	9	100.0%	-4.2 min	0.0%
BLI–SAN	Bellingham to San Diego	4	100.0%	-10.7 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), August 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2025	Minutes
Air carrier	28.8%	33.1%	286
Late-arriving aircraft	59.0%	40.5%	586
National Aviation System	12.3%	19.2%	122
Extreme weather	0.0%	7.0%	0
Security	0.0%	0.1%	0

994 delay minutes on 22 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 August 2025?

88.1% of 201 scheduled domestic departures left less than 15 minutes late, and 88.6% reached their destination on time. The national figures that month were 76.8% and 76.3%.

How does that compare with a year earlier?

In August 2024, 84.2% of 184 departures left on time and 0.5% were cancelled, against 88.1% and 0.5% in August 2025.

Provenance

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