Bellingham International in December 2024

81.4%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 December 2024, reporting carriers scheduled 177 domestic departures from Bellingham International (BLI). 81.4% left less than 15 minutes late and 81.9% reached their destination on time; 2.8% were cancelled.

Nationally that month, 77.8% of flights departed on time and 78.1% arrived on time, so BLI departures were 3.6 points above the national departure figure.

A year earlier, in December 2023, the airport had 236 departures with 86.0% leaving on time: a change of −4.6 points, with flights down 25%.

Flights arriving at BLI that month were on time 83.6% of the time (177 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 53%, extreme weather 24% and late-arriving aircraft 14%.

On time 81.9%
Arrived 15+ minutes late 15.3%
Cancelled 2.8%
Diverted 0.0%

Every scheduled departure from BLI in December 2024, judged by arrival at the destination.

December 2024 against a year earlier, the airport's year and the nation

Measure	Dec 2024	Dec 2023	BLI, 12 months to Jul 2026	All reported flights, Dec 2024
Departed on time	81.4%	86.0%	87.3%	77.8%
Arrived on time	81.9%	86.0%	84.4%	78.1%
Cancelled	2.8%	2.1%	1.5%	0.7%
Average departure delay (late minutes only)	16.5 min	9.1 min	10.9 min	16.6 min
Scheduled departures a day	6	8	6	19,686
Scheduled departures	177	236	2,237	590,581

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
G4 Allegiant Air	95	54%	84.2%	8.5 min	1.1%
OO SkyWest Airlines	82	46%	79.3%	6.3 min	4.9%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BLI–SEA	Bellingham to Seattle	82	79.3%	6.3 min	4.9%
BLI–LAS	Bellingham to Las Vegas	44	86.4%	20.7 min	0.0%
BLI–PSP	Bellingham to Palm Springs	16	81.3%	-8.4 min	0.0%
BLI–AZA	Bellingham to Phoenix	14	85.7%	-4.8 min	7.1%
BLI–OAK	Bellingham to Oakland	11	90.9%	-4.4 min	0.0%
BLI–LAX	Bellingham to Los Angeles	10	70.0%	12.8 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), December 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2024	Minutes
Air carrier	52.6%	34.3%	1,401
Late-arriving aircraft	14.4%	40.2%	383
National Aviation System	9.5%	17.8%	254
Extreme weather	23.5%	7.5%	626
Security	0.0%	0.2%	0

2,664 delay minutes on 27 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 December 2024?

81.4% of 177 scheduled domestic departures left less than 15 minutes late, and 81.9% reached their destination on time. The national figures that month were 77.8% and 78.1%.

How does that compare with a year earlier?

In December 2023, 86.0% of 236 departures left on time and 2.1% were cancelled, against 81.4% and 2.8% in December 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2024; 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.