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Route Reliability

Kalispell → Salt Lake City

FCA–SLC · 532 miles · Glacier Park International Airport to Salt Lake City International Airport

97
Nerd Approved
WanderNerd Reliability Score
93%
Arrive within 15 minutes
2 min early
Average arrival delay
0.9%
Cancelled
1,156
Flights in the data

Data through May 2026.

Delta Air Lines is the only airline in this data on this route, arriving on time 93% of the time across 1,156 flights. No comparison to make.

What the data says

The 9 AM–12 PM departure wins.

FCA–SLC flights departing between 9 AM–12 PM arrived on time 99% of the time, versus 88% between 3–6 AM.

Skip Wednesday if you can.

FCA–SLC flights arrived on time 98% of the time on Saturdays. On Wednesdays: 87%.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon96%(168 flights)
  • Tue92%(169 flights)
  • Wed87%(163 flights)
  • Thu90%(166 flights)
  • Fri90%(168 flights)
  • Sat98%(143 flights)
  • Sun95%(168 flights)
On-time by departure window
  • 3–6 AM88%(363 flights)
  • 9 AM–12 PM99%(92 flights)
  • 12–3 PM94%(348 flights)
  • 3–6 PM94%(62 flights)
  • 6–9 PM94%(280 flights)
On-time trend by month
85%
May

Jun 98% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202598%116
July 202598%119
August 202597%101
September 202597%90
October 202594%92
November 202588%83
December 202590%89
January 202687%83
February 202690%78
March 202693%91
April 202691%90
May 202685%113

Keep nerding

Based on 1,156 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.