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Route Reliability

Phoenix → Salt Lake City

PHX–SLC · 507 miles · Phoenix Sky Harbor International Airport to Salt Lake City International Airport

89
Pretty Reliable
WanderNerd Reliability Score
84%
Arrive within 15 minutes
2 min
Average arrival delay
0.6%
Cancelled
5,749
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Delta Air Lines90%1,725 flights
  2. 2.American Airlines85%1,510 flights
  3. 3.Frontier Airlines84%657 flights
  4. 4.Southwest Airlines77%1,857 flights

What the data says

Morning-you made the right choice.

PHX–SLC flights departing between 3–6 AM arrived on time 100% of the time, versus 65% between 9 PM–12 AM.

Sunday scaries are real for this one.

PHX–SLC flights arrived on time 89% of the time on Tuesdays. On Sundays: 81%.

Delta Air Lines runs this route best.

Delta Air Lines arrived on time 90% of the time on this route; Southwest Airlines managed 77%.

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
  • Mon82%(870 flights)
  • Tue89%(776 flights)
  • Wed87%(778 flights)
  • Thu81%(852 flights)
  • Fri82%(865 flights)
  • Sat87%(690 flights)
  • Sun81%(876 flights)
On-time by departure window
  • 12–3 AM—(2 flights)
  • 3–6 AM100%(14 flights)
  • 6–9 AM91%(1206 flights)
  • 9 AM–12 PM89%(994 flights)
  • 12–3 PM86%(1109 flights)
  • 3–6 PM79%(1063 flights)
  • 6–9 PM78%(1025 flights)
  • 9 PM–12 AM65%(294 flights)
On-time trend by month
83%
May

Jun 82% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%423
July 202581%425
August 202586%428
September 202587%411
October 202584%476
November 202583%469
December 202584%510
January 202684%488
February 202685%484
March 202687%578
April 202681%518
May 202683%497

Keep nerding

Based on 5,749 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.