FlightRecord

Glacier Park International Airport (FCA): Delays & On-Time Performance

Data through May 2026

Glacier Park International Airport (FCA) is a tale of two seasons: departures ran 93% on-time in April 2025 but sank to 72% in December 2025. Across the year it averages 83% against a national 78%, over roughly 12 departures a day to 15 destinations.

Departures on-time
83%
left <15 min late
Avg dep delay
17 min
Arrivals on-time
82%
Cancelled
0.7%
Destinations
15
nonstop
Airlines
6

Monthly on-time trend

Monthly departure on-time percentage at FCA50%75%100%June 2024: 81% on-time (468 flights)81Jun 2024July 2024: 78% on-time (569 flights)78August 2024: 80% on-time (551 flights)80September 2024: 89% on-time (359 flights)89Sep 2024October 2024: 91% on-time (267 flights)91November 2024: 90% on-time (201 flights)90December 2024: 85% on-time (259 flights)85Dec 2024January 2025: 84% on-time (254 flights)84February 2025: 83% on-time (228 flights)83March 2025: 92% on-time (276 flights)92Mar 2025April 2025: 93% on-time (206 flights)93May 2025: 86% on-time (318 flights)86June 2025: 78% on-time (539 flights)78Jun 2025July 2025: 80% on-time (629 flights)80August 2025: 79% on-time (583 flights)79September 2025: 87% on-time (477 flights)87Sep 2025October 2025: 87% on-time (337 flights)87November 2025: 88% on-time (208 flights)88December 2025: 72% on-time (285 flights)72Dec 2025January 2026: 79% on-time (258 flights)79February 2026: 85% on-time (219 flights)85March 2026: 83% on-time (257 flights)83Mar 2026April 2026: 89% on-time (212 flights)89May 2026: 85% on-time (334 flights)85

Best time of day to depart from FCA

On-time percentage by scheduled departure hour at FCA5 a.m.: 93% on-time (737 flights)56 a.m.: 93% on-time (779 flights)67 a.m.: 90% on-time (171 flights)78 a.m.: 86% on-time (116 flights)810 a.m.: 89% on-time (373 flights)1011 a.m.: 85% on-time (479 flights)1112 p.m.: 88% on-time (1,134 flights)121 p.m.: 81% on-time (921 flights)132 p.m.: 77% on-time (1,394 flights)143 p.m.: 71% on-time (431 flights)154 p.m.: 70% on-time (393 flights)165 p.m.: 77% on-time (634 flights)176 p.m.: 89% on-time (498 flights)18scheduled departure hour

Busiest routes from FCA

RouteFlights/12moOn-timeAvg delay
FCASLC1,15691%10 min
FCADEN1,06382%16 min
FCAORD57867%30 min
FCAMSP47182%13 min
FCADFW28671%33 min
FCASFO26279%18 min
FCALAX15384%13 min
FCALAS11171%26 min

Most reliable routes

  1. FCASLC91%
  2. FCALAX84%
  3. FCAMSP82%
  4. FCADEN82%
  5. FCASFO79%

Most delay-prone routes

  1. FCAORD67%
  2. FCADFW71%
  3. FCALAS71%
  4. FCASFO79%
  5. FCADEN82%

Airline performance at FCA

AirlineOn-time departuresAvg delayFlights
SkyWest Airlines88%10 min3,202
Delta Air Lines87%15 min1,634
United Airlines82%18 min1,935
Envoy Air76%16 min104
Allegiant Air76%24 min534
American Airlines68%37 min885

Frequently asked questions

How often are flights delayed at FCA?
17% of departures from Glacier Park International Airport left 15+ minutes late between 2024-06 and 2026-05, with an average departure delay of 17 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from FCA?
Flights scheduled around 6 a.m. depart on time 93% of the time at FCA, versus 70% around 4 p.m.. Booking before noon is the usual rule of thumb here.
What is the worst month for delays at FCA?
In this dataset, December 2025 was the weakest month at FCA, with 72% of departures on time.
How often are flights cancelled at FCA?
0.7% of scheduled departures from FCA were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Based on 8,294 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.