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Route Reliability

Dallas → Salt Lake City

DAL–SLC · 999 miles · Dallas Love Field to Salt Lake City International Airport

77
Usually Fine
WanderNerd Reliability Score
75%
Arrive within 15 minutes
8 min
Average arrival delay
1.2%
Cancelled
674
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 75% of the time across 674 flights. No comparison to make.

What the data says

Morning flights do better here.

DAL–SLC flights departing between 9 AM–12 PM arrived on time 89% of the time, versus 58% between 9 PM–12 AM.

Saturday is the weak spot.

DAL–SLC flights arrived on time 81% of the time on Tuesdays. On Saturdays: 70%.

Recent months have been rougher.

DAL–SLC flights arrived on time 65% of the time over the last three months in the data, compared with 80% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon76%(96 flights)
  • Tue81%(88 flights)
  • Wed78%(86 flights)
  • Thu75%(95 flights)
  • Fri78%(97 flights)
  • Sat70%(94 flights)
  • Sun70%(108 flights)
On-time by departure window
  • 6–9 AM89%(107 flights)
  • 9 AM–12 PM89%(177 flights)
  • 12–3 PM79%(84 flights)
  • 3–6 PM69%(61 flights)
  • 6–9 PM60%(162 flights)
  • 9 PM–12 AM58%(73 flights)
On-time trend by month
64%
May

Jun 71% → May 64% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%58
July 202582%60
August 202582%38
September 202582%34
October 202576%55
November 202578%50
December 202569%48
January 202684%63
February 202687%70
March 202665%68
April 202667%61
May 202664%59

Same trip, other airports

Keep nerding

Based on 674 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.