Bellingham International in March 2026

89.3%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 March 2026, reporting carriers scheduled 196 domestic departures from Bellingham International (BLI). 89.3% left less than 15 minutes late and 86.7% reached their destination on time; 1.0% were cancelled.

Nationally that month, 72.8% of flights departed on time and 73.2% arrived on time, so BLI departures were 16.5 points above the national departure figure.

A year earlier, in March 2025, the airport had 209 departures with 87.6% leaving on time: a change of +1.7 points, with flights down 6%.

Flights arriving at BLI that month were on time 84.8% of the time (197 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 64%, extreme weather 19% and late-arriving aircraft 15%.

On time 86.7%
Arrived 15+ minutes late 12.2%
Cancelled 1.0%
Diverted 0.0%

Every scheduled departure from BLI in March 2026, judged by arrival at the destination.

March 2026 against a year earlier, the airport's year and the nation

Measure	Mar 2026	Mar 2025	BLI, 12 months to Jul 2026	All reported flights, Mar 2026
Departed on time	89.3%	87.6%	87.3%	72.8%
Arrived on time	86.7%	86.1%	84.4%	73.2%
Cancelled	1.0%	0.5%	1.5%	2.9%
Average departure delay (late minutes only)	19.6 min	8.3 min	10.9 min	20.3 min
Scheduled departures a day	7	7	6	20,403
Scheduled departures	196	209	2,237	612,102

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	103	53%	81.6%	8.5 min	1.9%
G4 Allegiant Air	93	47%	92.5%	14.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BLI–SEA	Bellingham to Seattle	90	78.9%	9.5 min	2.2%
BLI–LAS	Bellingham to Las Vegas	39	97.4%	4.1 min	0.0%
BLI–PSP	Bellingham to Palm Springs	19	94.7%	-12.4 min	0.0%
BLI–AZA	Bellingham to Phoenix	17	82.4%	75.6 min	0.0%
BLI–PDX	Bellingham to Portland	13	100.0%	1.8 min	0.0%
BLI–BUR	Bellingham to Burbank	9	88.9%	14.8 min	0.0%
BLI–OAK	Bellingham to Oakland	9	88.9%	4.7 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), March 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2026	Minutes
Air carrier	63.8%	33.5%	2,313
Late-arriving aircraft	15.2%	39.3%	552
National Aviation System	2.1%	21.0%	75
Extreme weather	18.9%	5.9%	686
Security	0.0%	0.2%	0

3,626 delay minutes on 24 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 2026?

89.3% of 196 scheduled domestic departures left less than 15 minutes late, and 86.7% reached their destination on time. The national figures that month were 72.8% and 73.2%.

How does that compare with a year earlier?

In March 2025, 87.6% of 209 departures left on time and 0.5% were cancelled, against 89.3% and 1.0% in March 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for March 2026; 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.