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
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.
- 93% 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 | 81% | 17 min |
| Tuesdaybest | 84% | 16 min |
| Wednesday | 83% | 20 min |
| Thursday | 82% | 16 min |
| Friday | 83% | 19 min |
| Saturday | 79% | 17 min |
| Sunday | 80% | 16 min |
Busiest routes from FCA
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| FCA → SLC (Salt Lake City) | 1,156 | 91% | 10 min |
| FCA → DEN (Denver) | 1,063 | 82% | 16 min |
| FCA → ORD (Chicago) | 578 | 67% | 30 min |
| FCA → MSP (Minneapolis) | 471 | 82% | 13 min |
| FCA → DFW (Dallas/Fort Worth) | 286 | 71% | 33 min |
| FCA → SFO (San Francisco) | 262 | 79% | 18 min |
| FCA → LAX (Los Angeles) | 153 | 84% | 13 min |
| FCA → LAS (Las Vegas) | 111 | 71% | 26 min |
Where flights into FCA come from
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| SLC (Salt Lake City) → FCA | 1,156 | 89% | 8 min |
| DEN (Denver) → FCA | 1,063 | 80% | 13 min |
| ORD (Chicago) → FCA | 578 | 74% | 21 min |
| MSP (Minneapolis) → FCA | 471 | 79% | 12 min |
| DFW (Dallas/Fort Worth) → FCA | 286 | 75% | 15 min |
| SFO (San Francisco) → FCA | 262 | 80% | 10 min |
| LAX (Los Angeles) → FCA | 153 | 85% | 12 min |
| LAS (Las Vegas) → FCA | 111 | 85% | 11 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 aircraft32%
- Airline operations38%
- National airspace system21%
- 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 |
|---|---|---|---|
| SkyWest Airlines | 88% | 10 min | 3,202 |
| Delta Air Lines | 87% | 15 min | 1,634 |
| United Airlines | 82% | 18 min | 1,935 |
| Envoy Air | 76% | 16 min | 104 |
| Allegiant Air | 76% | 24 min | 534 |
| American Airlines | 68% | 37 min | 885 |
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
Related guides
Based on 8,294 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.