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Route Reliability

TWF → Salt Lake City

TWF–SLC · 175 miles · TWF Airport to Salt Lake City International Airport

100
Nerd Approved
WanderNerd Reliability Score
96%
Arrive within 15 minutes
8 min early
Average arrival delay
0.5%
Cancelled
785
Flights in the data

Data through May 2026.

Delta Air Lines is the only airline in this data on this route, arriving on time 96% of the time across 785 flights. No comparison to make.

What the data says

12–3 PM has a slight edge.

Departures between 12–3 PM arrived on time 100% of the time, against 95% between 3–6 PM.

Tuesday comes out ahead.

A small edge: 98% on time on Tuesdays against 93% on Thursdays.

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
  • Mon97%(116 flights)
  • Tue98%(107 flights)
  • Wed97%(113 flights)
  • Thu93%(112 flights)
  • Fri97%(113 flights)
  • Sat96%(105 flights)
  • Sun95%(114 flights)
On-time by departure window
  • 6–9 AM97%(363 flights)
  • 9 AM–12 PM96%(70 flights)
  • 12–3 PM100%(27 flights)
  • 3–6 PM95%(320 flights)
On-time trend by month
95%
May

Jun 97% → May 95% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%60
July 202595%61
August 202598%56
September 2025100%60
October 202598%61
November 202595%57
December 202595%59
January 202693%58
February 202696%55
March 202697%86
April 202694%82
May 202695%85

Keep nerding

Based on 785 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.