Billings Logan International in March 2026

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 March 2026, reporting carriers scheduled 365 domestic departures from Billings Logan International (BIL). 86.0% left less than 15 minutes late and 84.7% reached their destination on time; 0.8% were cancelled.

Nationally that month, 72.8% of flights departed on time and 73.2% arrived on time, so BIL departures were 13.2 points above the national departure figure.

A year earlier, in March 2025, the airport had 372 departures with 90.9% leaving on time: a change of −4.9 points, with flights down 2%.

Flights arriving at BIL that month were on time 80.8% of the time (365 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 48%, late-arriving aircraft 27% and national aviation system 15%.

On time 84.7%
Arrived 15+ minutes late 14.5%
Cancelled 0.8%
Diverted 0.0%

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

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

Measure	Mar 2026	Mar 2025	BIL, 12 months to Jul 2026	All reported flights, Mar 2026
Departed on time	86.0%	90.9%	87.4%	72.8%
Arrived on time	84.7%	85.5%	84.7%	73.2%
Cancelled	0.8%	0.5%	0.6%	2.9%
Average departure delay (late minutes only)	15.4 min	5.5 min	11.8 min	20.3 min
Scheduled departures a day	12	12	13	20,403
Scheduled departures	365	372	4,642	612,102

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	123	34%	82.1%	6.7 min	1.6%
MQ Envoy Air	93	25%	84.9%	-3.9 min	0.0%
DL Delta Air Lines	62	17%	90.3%	-13.5 min	1.6%
UA United Airlines	62	17%	83.9%	0.8 min	0.0%
G4 Allegiant Air	25	7%	84.0%	46.6 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BIL–DEN	Billings to Denver	124	82.3%	2.7 min	0.8%
BIL–SLC	Billings to Salt Lake City	92	85.9%	1.8 min	1.1%
BIL–DFW	Billings to Dallas/Fort Worth	62	82.3%	-1.3 min	0.0%
BIL–MSP	Billings to Minneapolis	31	90.3%	-15.2 min	3.2%
BIL–PHX	Billings to Phoenix	31	90.3%	-9.1 min	0.0%
BIL–AZA	Billings to Phoenix	16	81.3%	71.9 min	0.0%
BIL–LAS	Billings to Las Vegas	9	88.9%	1.7 min	0.0%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), March 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2026	Minutes
Air carrier	47.5%	33.5%	2,640
Late-arriving aircraft	27.0%	39.3%	1,502
National Aviation System	14.7%	21.0%	815
Extreme weather	10.8%	5.9%	603
Security	0.0%	0.2%	0

5,560 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 March 2026?

86.0% of 365 scheduled domestic departures left less than 15 minutes late, and 84.7% reached their destination on time. The national figures that month were 72.8% and 73.2%.

How does that compare with a year earlier?

In March 2025, 90.9% of 372 departures left on time and 0.5% were cancelled, against 86.0% and 0.8% in March 2026.

Provenance

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