Billings Logan International in June 2026

86.2%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 June 2026, reporting carriers scheduled 412 domestic departures from Billings Logan International (BIL). 86.2% left less than 15 minutes late and 85.0% reached their destination on time; 0.7% were cancelled.

Nationally that month, 72.2% of flights departed on time and 72.8% arrived on time, so BIL departures were 14.0 points above the national departure figure.

A year earlier, in June 2025, the airport had 467 departures with 81.6% leaving on time: a change of +4.6 points, with flights down 12%.

Flights arriving at BIL that month were on time 77.9% of the time (412 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 34%, late-arriving aircraft 30% and national aviation system 19%.

On time 85.0%
Arrived 15+ minutes late 13.6%
Cancelled 0.7%
Diverted 0.7%

Every scheduled departure from BIL in June 2026, judged by arrival at the destination.

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

Measure	Jun 2026	Jun 2025	BIL, 12 months to Jul 2026	All reported flights, Jun 2026
Departed on time	86.2%	81.6%	87.4%	72.2%
Arrived on time	85.0%	76.9%	84.7%	72.8%
Cancelled	0.7%	0.6%	0.6%	1.6%
Average departure delay (late minutes only)	12.1 min	18.3 min	11.8 min	20.6 min
Scheduled departures a day	14	16	13	20,253
Scheduled departures	412	467	4,642	607,577

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	176	43%	89.2%	-3.2 min	0.6%
MQ Envoy Air	90	22%	75.6%	15.1 min	0.0%
DL Delta Air Lines	60	15%	93.3%	-11.6 min	3.3%
UA United Airlines	60	15%	80.0%	-6.9 min	0.0%
G4 Allegiant Air	26	6%	80.8%	6.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BIL–DEN	Billings to Denver	176	84.1%	-1.7 min	0.6%
BIL–SLC	Billings to Salt Lake City	90	93.3%	-10.8 min	1.1%
BIL–DFW	Billings to Dallas/Fort Worth	60	78.3%	3.6 min	0.0%
BIL–MSP	Billings to Minneapolis	30	96.7%	-13.5 min	3.3%
BIL–ORD	Billings to Chicago	30	70.0%	38.3 min	0.0%
BIL–AZA	Billings to Phoenix	17	76.5%	13.0 min	0.0%
BIL–LAS	Billings to Las Vegas	9	88.9%	-5.7 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), June 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2026	Minutes
Air carrier	33.6%	30.8%	1,563
Late-arriving aircraft	29.9%	42.1%	1,391
National Aviation System	19.2%	20.3%	892
Extreme weather	17.4%	6.7%	809
Security	0.0%	0.1%	0

4,655 delay minutes on 56 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 June 2026?

86.2% of 412 scheduled domestic departures left less than 15 minutes late, and 85.0% reached their destination on time. The national figures that month were 72.2% and 72.8%.

How does that compare with a year earlier?

In June 2025, 81.6% of 467 departures left on time and 0.6% were cancelled, against 86.2% and 0.7% in June 2026.

Provenance

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