Glacier Park International Airport (FCA): Delays & On-Time Performance
Data through July 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 11 departures a day to 18 destinations.
- Departures on-time
- 83%
- left <15 min late
- Avg dep delay
- 17 min
- Arrivals on-time
- 82%
- Cancelled
- 0.7%
- Destinations
- 18
- nonstop
- Airlines
- 6
Plan your departure from FCA
The choices most likely to improve your odds, based on this airport’s historical record.
- Best departure time
- Around 6 a.m.
- 94% on-time
- Best day to fly
- Tuesday
- 84% on-time
- Cancellation risk
- 0.7%
- below the US average
Monthly on-time trend
Best time of day to depart from FCA
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 19 min |
| Tuesdaybest | 84% | 17 min |
| Wednesday | 83% | 20 min |
| Thursday | 82% | 16 min |
| Friday | 81% | 19 min |
| Saturday | 79% | 17 min |
| Sunday | 79% | 16 min |
Busiest routes from FCA
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| FCA → SLC (Salt Lake City) | 1,111 | 91% | 10 min |
| FCA → DEN (Denver) | 1,010 | 82% | 16 min |
| FCA → ORD (Chicago) | 532 | 67% | 32 min |
| FCA → MSP (Minneapolis) | 466 | 83% | 13 min |
| FCA → DFW (Dallas/Fort Worth) | 262 | 70% | 36 min |
| FCA → SFO (San Francisco) | 250 | 74% | 21 min |
| FCA → LAX (Los Angeles) | 141 | 85% | 12 min |
| FCA → LAS (Las Vegas) | 104 | 72% | 23 min |
Where flights into FCA come from
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| SLC (Salt Lake City) → FCA | 1,111 | 89% | 8 min |
| DEN (Denver) → FCA | 1,010 | 80% | 13 min |
| ORD (Chicago) → FCA | 532 | 74% | 19 min |
| MSP (Minneapolis) → FCA | 466 | 80% | 11 min |
| DFW (Dallas/Fort Worth) → FCA | 262 | 75% | 15 min |
| SFO (San Francisco) → FCA | 251 | 76% | 12 min |
| LAX (Los Angeles) → FCA | 141 | 86% | 10 min |
| LAS (Las Vegas) → FCA | 104 | 87% | 9 min |
What causes delays at FCA
Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing FCA.
- Late-arriving aircraft30%
- Airline operations40%
- National airspace system22%
- Weather9%
Alternative airports near Kalispell
Other airports within 120 miles, compared on departure reliability.
| Airport | Distance | On-time departures | Avg delay |
|---|---|---|---|
| MSO — Missoula Montana Airport | 97 mi | 83% | 16 min |
Compare the airport-level record first, then check the exact route you plan to book.
Airline performance at FCA
| Airline | On-time departures | Avg delay | Flights |
|---|---|---|---|
| Delta Air Lines | 87% | 14 min | 1,769 |
| SkyWest Airlines | 87% | 11 min | 3,297 |
| United Airlines | 82% | 19 min | 2,040 |
| Envoy Air | 82% | 13 min | 109 |
| Allegiant Air | 75% | 21 min | 549 |
| American Airlines | 67% | 39 min | 1,007 |
Frequently asked questions
- How often are flights delayed at FCA?
- 17% of departures from Glacier Park International Airport left 15+ minutes late between 2024-07 and 2026-07, 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 94% of the time at FCA, versus 66% 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
Related guides
Based on 8,771 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.