Billings Logan International in August 2024

86.9%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 2024, reporting carriers scheduled 413 domestic departures from Billings Logan International (BIL). 86.9% left less than 15 minutes late and 83.5% reached their destination on time; 0.7% were cancelled.

Nationally that month, 75.4% of flights departed on time and 74.7% arrived on time, so BIL departures were 11.5 points above the national departure figure.

A year earlier, in August 2023, the airport had 339 departures with 81.4% leaving on time: a change of +5.5 points, with flights up 22%.

Flights arriving at BIL that month were on time 77.7% of the time (413 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 59%, late-arriving aircraft 21% and national aviation system 19%.

On time 83.5%
Arrived 15+ minutes late 15.5%
Cancelled 0.7%
Diverted 0.2%

Every scheduled departure from BIL in August 2024, judged by arrival at the destination.

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

Measure	Aug 2024	Aug 2023	BIL, 12 months to Jul 2026	All reported flights, Aug 2024
Departed on time	86.9%	81.4%	87.4%	75.4%
Arrived on time	83.5%	80.8%	84.7%	74.7%
Cancelled	0.7%	0.9%	0.6%	2.1%
Average departure delay (late minutes only)	12.0 min	14.9 min	11.8 min	18.4 min
Scheduled departures a day	14	11	13	20,634
Scheduled departures	413	339	4,642	619,025

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	137	33%	83.9%	-0.4 min	0.7%
MQ Envoy Air	93	23%	86.0%	-1.4 min	0.0%
DL Delta Air Lines	92	22%	90.2%	14.3 min	1.1%
UA United Airlines	62	15%	77.4%	4.7 min	0.0%
G4 Allegiant Air	29	7%	65.5%	11.8 min	3.4%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BIL–DEN	Billings to Denver	142	81.0%	1.3 min	0.0%
BIL–SLC	Billings to Salt Lake City	88	88.6%	-3.0 min	1.1%
BIL–DFW	Billings to Dallas/Fort Worth	62	88.7%	-1.1 min	0.0%
BIL–MSP	Billings to Minneapolis	61	86.9%	26.9 min	1.6%
BIL–ORD	Billings to Chicago	31	80.6%	-2.1 min	0.0%
BIL–AZA	Billings to Phoenix	16	68.8%	6.9 min	6.3%
BIL–LAS	Billings to Las Vegas	9	44.4%	28.6 min	0.0%
BIL–LAX	Billings to Los Angeles	4	100.0%	-7.2 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 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2024	Minutes
Air carrier	59.4%	33.8%	3,000
Late-arriving aircraft	21.4%	39.8%	1,079
National Aviation System	19.2%	20.4%	969
Extreme weather	0.0%	5.9%	0
Security	0.0%	0.1%	0

5,048 delay minutes on 64 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 BIL on time in August 2024?

86.9% of 413 scheduled domestic departures left less than 15 minutes late, and 83.5% reached their destination on time. The national figures that month were 75.4% and 74.7%.

How does that compare with a year earlier?

In August 2023, 81.4% of 339 departures left on time and 0.9% were cancelled, against 86.9% and 0.7% in August 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for BIL · methodology · corrections.