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Flight Reliability

DL 1318 · Delta Air Lines

Los Angeles → Salt Lake City (LAX–SLC)

95
Nerd Approved
WanderNerd Reliability Score
90%
Arrive within 15 minutes
0 min
Average arrival delay
0.8%
Cancelled
12 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

DL 1318 arrived on time 96% of the time on Thursdays. On Sundays: 84%.

Better than the Delta Air Lines network average.

DL 1318 arrived on time 90% of the time, versus 81% across the Delta Air Lines network.

Slipping a little lately.

DL 1318 arrived on time 86% of the time over the last three months in the data, compared with 92% in the three months before that.

The breakdown

On-time by weekday
  • Mon88%(51 flights)
  • Tue90%(52 flights)
  • Wed94%(52 flights)
  • Thu96%(52 flights)
  • Fri92%(52 flights)
  • Sat87%(52 flights)
  • Sun84%(51 flights)
On-time trend by month
100%
May

Jun 83% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%30
July 202590%31
August 202594%31
September 202590%30
October 202597%31
November 202597%30
December 202597%29
January 202684%31
February 202696%28
March 202663%30
April 202693%30
May 2026100%31
Departures on time
90%
Diverted
0%
Flights flown
362
Months covered
12

Same route, other flights

Keep nerding

Based on 365 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.