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Route Reliability

Salt Lake City → BTM

SLC–BTM · 357 miles · Salt Lake City International Airport to BTM Airport

99
Nerd Approved
WanderNerd Reliability Score
97%
Arrive within 15 minutes
11 min early
Average arrival delay
0.6%
Cancelled
361
Flights in the data

Data through May 2026.

Delta Air Lines is the only airline in this data on this route, arriving on time 97% of the time across 361 flights. No comparison to make.

What the data says

Departure time hasn't mattered much.

On-time rates stay between 96% and 97% across the day.

Friday comes out ahead.

A small edge: 98% on time on Fridays against 94% on Tuesdays.

Slipping a little lately.

SLC–BTM flights arrived on time 93% of the time over the last three months in the data, compared with 99% in the three months before that.

The breakdown

On-time by weekday
  • Mon98%(51 flights)
  • Tue94%(52 flights)
  • Wed96%(50 flights)
  • Thu98%(48 flights)
  • Fri98%(52 flights)
  • Sat96%(51 flights)
  • Sun96%(52 flights)
On-time by departure window
  • 12–3 PM96%(24 flights)
  • 3–6 PM97%(332 flights)
On-time trend by month
90%
May

Jun 100% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%30
July 202593%30
August 2025100%31
September 202593%30
October 202597%31
November 2025100%28
December 2025100%28
January 2026100%30
February 202696%28
March 202697%31
April 202693%29
May 202690%30

Keep nerding

Based on 361 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.