FlightRecord

Billings Logan International Airport (BIL): Delays & On-Time Performance

Data through May 2026

Billings Logan International Airport (BIL) runs noticeably smoother than most US airports: 87% of its ~13 daily departures leave on time, 9 points above the national average, with an average departure delay of just 13 minutes. 5 airlines fly from Billings, MT to 10 destinations.

Departures on-time
87%
left <15 min late
Avg dep delay
13 min
Arrivals on-time
81%
Cancelled
0.8%
Destinations
10
nonstop
Airlines
5

Monthly on-time trend

Monthly departure on-time percentage at BIL50%75%100%June 2024: 83% on-time (395 flights)83Jun 2024July 2024: 81% on-time (420 flights)81August 2024: 88% on-time (413 flights)88September 2024: 92% on-time (375 flights)92Sep 2024October 2024: 89% on-time (367 flights)89November 2024: 86% on-time (342 flights)86December 2024: 89% on-time (373 flights)89Dec 2024January 2025: 85% on-time (364 flights)85February 2025: 82% on-time (326 flights)82March 2025: 91% on-time (372 flights)91Mar 2025April 2025: 87% on-time (359 flights)87May 2025: 81% on-time (384 flights)81June 2025: 82% on-time (467 flights)82Jun 2025July 2025: 80% on-time (486 flights)80August 2025: 83% on-time (478 flights)83September 2025: 90% on-time (458 flights)90Sep 2025October 2025: 91% on-time (432 flights)91November 2025: 90% on-time (351 flights)90December 2025: 89% on-time (364 flights)89Dec 2025January 2026: 91% on-time (334 flights)91February 2026: 87% on-time (310 flights)87March 2026: 87% on-time (365 flights)87Mar 2026April 2026: 90% on-time (335 flights)90May 2026: 89% on-time (383 flights)89

Best time of day to depart from BIL

On-time percentage by scheduled departure hour at BIL5 a.m.: 95% on-time (1,258 flights)56 a.m.: 93% on-time (1,432 flights)67 a.m.: 93% on-time (852 flights)78 a.m.: 87% on-time (152 flights)810 a.m.: 92% on-time (794 flights)1011 a.m.: 95% on-time (786 flights)1112 p.m.: 81% on-time (456 flights)121 p.m.: 76% on-time (525 flights)132 p.m.: 78% on-time (1,091 flights)144 p.m.: 68% on-time (213 flights)165 p.m.: 73% on-time (813 flights)176 p.m.: 86% on-time (698 flights)18scheduled departure hour

Busiest routes from BIL

RouteFlights/12moOn-timeAvg delay
BIL → DEN1,78680%16 min
BIL → SLC1,07491%9 min
BIL → DFW69181%13 min
BIL → ORD43077%21 min
BIL → MSP36588%16 min
BIL → AZA17477%19 min
BIL → LAS13374%27 min
BIL → PHX11091%9 min

Most reliable routes

  1. BIL → SLC91%
  2. BIL → PHX91%
  3. BIL → MSP88%
  4. BIL → DFW81%
  5. BIL → DEN80%

Most delay-prone routes

  1. BIL → LAS74%
  2. BIL → AZA77%
  3. BIL → ORD77%
  4. BIL → DEN80%
  5. BIL → DFW81%

Airline performance at BIL

AirlineOn-time departuresAvg delayFlights
Delta Air Lines93%13 min1,517
SkyWest Airlines87%12 min3,523
United Airlines85%12 min1,463
Envoy Air85%13 min2,083
Allegiant Air77%21 min667

Frequently asked questions

How often are flights delayed at BIL?
13% of departures from Billings Logan International Airport left 15+ minutes late between 2024-06 and 2026-05, with an average departure delay of 13 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from BIL?
Flights scheduled around 11 a.m. depart on time 95% of the time at BIL, versus 68% around 4 p.m.. Booking before noon is the usual rule of thumb here.
What is the worst month for delays at BIL?
In this dataset, July 2025 was the weakest month at BIL, with 80% of departures on time.
How often are flights cancelled at BIL?
0.8% of scheduled departures from BIL were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Based on 9,253 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.