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Route Reliability

Salt Lake City → SUN

SLC–SUN · 222 miles · Salt Lake City International Airport to SUN Airport

97
Nerd Approved
WanderNerd Reliability Score
95%
Arrive within 15 minutes
9 min early
Average arrival delay
0.7%
Cancelled
1,078
Flights in the data

Data through May 2026.

Delta Air Lines is the only airline in this data on this route, arriving on time 95% of the time across 1,078 flights. No comparison to make.

What the data says

The 3–6 PM departure wins.

SLC–SUN flights departing between 3–6 PM arrived on time 100% of the time, versus 92% between 12–3 PM.

Sunday scaries are real for this one.

SLC–SUN flights arrived on time 98% of the time on Tuesdays. On Sundays: 91%.

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
  • Mon95%(155 flights)
  • Tue98%(151 flights)
  • Wed97%(146 flights)
  • Thu94%(147 flights)
  • Fri95%(153 flights)
  • Sat92%(155 flights)
  • Sun91%(155 flights)
On-time by departure window
  • 9 AM–12 PM94%(357 flights)
  • 12–3 PM92%(336 flights)
  • 3–6 PM100%(13 flights)
  • 6–9 PM97%(340 flights)
  • 9 PM–12 AM100%(16 flights)
On-time trend by month
97%
May

Jun 96% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202596%90
July 202599%91
August 202596%92
September 202598%90
October 202595%92
November 202595%85
December 202597%86
January 202693%88
February 202689%83
March 202695%92
April 202686%88
May 202697%85

Keep nerding

Based on 1,078 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.