FlyOnSchedule

Best Time to Fly SFO to FCA: On-Time Stats by Hour & Airline

San Francisco International → Glacier Park International

Data through July 2026 · Last updated October 18, 2026

On-time arrivals72.6%last 12 months
Avg delay when late41 minflights 15+ min late
Cancelled0.8%of scheduled flights
Flights251scheduled, 12 months

251 flights were scheduled from San Francisco (SFO) to Kalispell (FCA) in the last 12 months, and 72.6% of those that flew arrived on time, 5.0 points below the US average of 77.6%.

SkyWest Airlines was the only reporting airline with regular flights on this route.

Over 24 months, Saturday was the most reliable day (82% on time) and July the worst month (61%).

The cancellation rate was 0.8% (US average 1.8%).

SFO to FCA on-time performance by airline

Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.

AirlineOn timeAvg delay when lateCancelledFlights
SkyWest Airlines 72.6%41 min0.8% 251

80%+ good 70–79.9% fair <70% poor

Best time of day to fly SFO to FCA

On-time arrival % by scheduled departure hour (local time), 417 flights over 24 months.

Show the numbers
Departure hourOn timeCancelledFlights
8am–9am 90.9%0.0% 33
9am–10am 83.3%1.6% 62
11am–12pm 72.6%0.0% 62
12pm–1pm 71.3%0.5% 217
4pm–5pm 73.0%0.0% 37
8pm–9pm Limited data 6

Best day of the week

24 months, by day of departure.

Best month to fly

24 months, by calendar month.

Holiday travel on SFO to FCA

On-time arrivals during holiday periods compared with all other days, last 24 months.

PeriodOn timevs other daysCancelledFlights
Christmas & New Year (Dec 20 - Jan 3) Limited data 19
Summer peak (Jun 15 - Aug 15) 69.0% -9.7 pts 0.0% 142
All other days78.7%—0.8%256

Monthly on-time trend

On-time arrival % each month, with the 12-month US average for reference.

What causes delays on this route

Share of reported delay minutes, last 12 months (BTS cause categories).