Billings Logan International in July 2026

84.0%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 July 2026, reporting carriers scheduled 420 domestic departures from Billings Logan International (BIL). 84.0% left less than 15 minutes late and 80.5% reached their destination on time; 0.5% were cancelled.

Nationally that month, 68.8% of flights departed on time and 69.4% arrived on time, so BIL departures were 15.2 points above the national departure figure.

A year earlier, in July 2025, the airport had 486 departures with 79.4% leaving on time: a change of +4.6 points, with flights down 14%.

Flights arriving at BIL that month were on time 77.1% of the time (420 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 38%, late-arriving aircraft 31% and extreme weather 19%.

On time 80.5%
Arrived 15+ minutes late 17.9%
Cancelled 0.5%
Diverted 1.2%

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

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

Measure	Jul 2026	Jul 2025	BIL, 12 months to Jul 2026	All reported flights, Jul 2026
Departed on time	84.0%	79.4%	87.4%	68.8%
Arrived on time	80.5%	76.1%	84.7%	69.4%
Cancelled	0.5%	0.8%	0.6%	2.6%
Average departure delay (late minutes only)	18.8 min	25.6 min	11.8 min	24.1 min
Scheduled departures a day	14	16	13	21,066
Scheduled departures	420	486	4,642	631,970

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	179	43%	75.4%	11.7 min	0.0%
MQ Envoy Air	93	22%	86.0%	-7.6 min	0.0%
DL Delta Air Lines	62	15%	98.4%	-6.4 min	0.0%
UA United Airlines	61	15%	70.5%	23.3 min	1.6%
G4 Allegiant Air	25	6%	76.0%	12.8 min	4.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BIL–DEN	Billings to Denver	179	69.3%	21.3 min	0.6%
BIL–SLC	Billings to Salt Lake City	92	91.3%	-4.0 min	0.0%
BIL–DFW	Billings to Dallas/Fort Worth	62	91.9%	-15.4 min	0.0%
BIL–MSP	Billings to Minneapolis	31	100.0%	-10.9 min	0.0%
BIL–ORD	Billings to Chicago	31	74.2%	8.4 min	0.0%
BIL–AZA	Billings to Phoenix	16	68.8%	24.9 min	6.3%
BIL–LAS	Billings to Las Vegas	9	88.9%	-7.3 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), July 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2026	Minutes
Air carrier	38.1%	31.7%	2,951
Late-arriving aircraft	30.5%	41.8%	2,361
National Aviation System	12.8%	19.9%	994
Extreme weather	18.5%	6.5%	1,434
Security	0.0%	0.1%	0

7,740 delay minutes on 75 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 July 2026?

84.0% of 420 scheduled domestic departures left less than 15 minutes late, and 80.5% reached their destination on time. The national figures that month were 68.8% and 69.4%.

How does that compare with a year earlier?

In July 2025, 79.4% of 486 departures left on time and 0.8% were cancelled, against 84.0% and 0.5% in July 2026.

Provenance

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