Billings Logan International in October 2025

90.7%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 October 2025, reporting carriers scheduled 432 domestic departures from Billings Logan International (BIL). 90.7% left less than 15 minutes late and 87.5% reached their destination on time; 0.0% were cancelled.

Nationally that month, 80.0% of flights departed on time and 79.1% arrived on time, so BIL departures were 10.7 points above the national departure figure.

A year earlier, in October 2024, the airport had 367 departures with 89.1% leaving on time: a change of +1.6 points, with flights up 18%.

Flights arriving at BIL that month were on time 88.4% of the time (431 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 49%, air carrier 38% and national aviation system 12%.

On time 87.5%
Arrived 15+ minutes late 12.3%
Cancelled 0.0%
Diverted 0.2%

Every scheduled departure from BIL in October 2025, judged by arrival at the destination.

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

Measure	Oct 2025	Oct 2024	BIL, 12 months to Jul 2026	All reported flights, Oct 2025
Departed on time	90.7%	89.1%	87.4%	80.0%
Arrived on time	87.5%	88.6%	84.7%	79.1%
Cancelled	0.0%	0.0%	0.6%	0.5%
Average departure delay (late minutes only)	11.4 min	11.0 min	11.8 min	13.9 min
Scheduled departures a day	14	12	13	20,195
Scheduled departures	432	367	4,642	605,844

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	179	41%	92.2%	-4.2 min	0.0%
MQ Envoy Air	98	23%	82.7%	3.4 min	0.0%
DL Delta Air Lines	62	14%	95.2%	-8.8 min	0.0%
UA United Airlines	62	14%	79.0%	2.1 min	0.0%
G4 Allegiant Air	31	7%	77.4%	30.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BIL–DEN	Billings to Denver	155	86.5%	-3.5 min	0.0%
BIL–SLC	Billings to Salt Lake City	92	93.5%	-2.8 min	0.0%
BIL–DFW	Billings to Dallas/Fort Worth	62	83.9%	2.1 min	0.0%
BIL–ORD	Billings to Chicago	61	85.2%	5.6 min	0.0%
BIL–MSP	Billings to Minneapolis	31	96.8%	-16.2 min	0.0%
BIL–LAS	Billings to Las Vegas	17	76.5%	52.5 min	0.0%
BIL–AZA	Billings to Phoenix	14	78.6%	3.1 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), October 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2025	Minutes
Air carrier	38.3%	34.0%	1,966
Late-arriving aircraft	49.4%	39.7%	2,536
National Aviation System	12.3%	22.9%	630
Extreme weather	0.0%	3.3%	0
Security	0.0%	0.1%	0

5,132 delay minutes on 53 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 October 2025?

90.7% of 432 scheduled domestic departures left less than 15 minutes late, and 87.5% reached their destination on time. The national figures that month were 80.0% and 79.1%.

How does that compare with a year earlier?

In October 2024, 89.1% of 367 departures left on time and 0.0% were cancelled, against 90.7% and 0.0% in October 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for October 2025; 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.