Bellingham International in December 2023

86.0%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 2023, reporting carriers scheduled 236 domestic departures from Bellingham International (BLI). 86.0% left less than 15 minutes late and 86.0% reached their destination on time; 2.1% were cancelled.

Nationally that month, 83.1% of flights departed on time and 83.8% arrived on time, so BLI departures were 2.9 points above the national departure figure.

Flights arriving at BLI that month were on time 86.9% of the time (236 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 46%, late-arriving aircraft 35% and national aviation system 15%.

On time 86.0%
Arrived 15+ minutes late 11.9%
Cancelled 2.1%
Diverted 0.0%

Every scheduled departure from BLI in December 2023, judged by arrival at the destination.

December 2023 against a year earlier, the airport's year and the nation

Measure	Dec 2023	Year earlier	BLI, 12 months to Jul 2026	All reported flights, Dec 2023
Departed on time	86.0%	—	87.3%	83.1%
Arrived on time	86.0%	—	84.4%	83.8%
Cancelled	2.1%	—	1.5%	0.4%
Average departure delay (late minutes only)	9.1 min	—	10.9 min	11.6 min
Scheduled departures a day	8	—	6	19,013
Scheduled departures	236	—	2,237	570,394

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	90	38%	85.6%	6.5 min	2.2%
G4 Allegiant Air	84	36%	91.7%	-4.2 min	0.0%
OO SkyWest Airlines	62	26%	79.0%	2.6 min	4.8%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BLI–LAS	Bellingham to Las Vegas	76	89.5%	1.0 min	1.3%
BLI–OAK	Bellingham to Oakland	68	86.8%	5.1 min	1.5%
BLI–SEA	Bellingham to Seattle	62	79.0%	2.6 min	4.8%
BLI–AZA	Bellingham to Phoenix	10	100.0%	-9.8 min	0.0%
BLI–LAX	Bellingham to Los Angeles	9	88.9%	-3.4 min	0.0%
BLI–PSP	Bellingham to Palm Springs	9	88.9%	-10.2 min	0.0%
BLI–DEN	Bellingham to Denver	2	50.0%	14.5 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 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2023	Minutes
Air carrier	46.1%	37.1%	857
Late-arriving aircraft	34.6%	38.8%	643
National Aviation System	15.4%	17.6%	287
Extreme weather	4.0%	6.2%	74
Security	0.0%	0.3%	0

1,861 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 December 2023?

86.0% of 236 scheduled domestic departures left less than 15 minutes late, and 86.0% reached their destination on time. The national figures that month were 83.1% and 83.8%.

How does that compare with a year earlier?

December 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2023; 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.