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Flight Reliability

DL 1314 · Delta Air Lines

San Jose → Salt Lake City (SJC–SLC)

97
Nerd Approved
WanderNerd Reliability Score
95%
Arrive within 15 minutes
11 min early
Average arrival delay
1.6%
Cancelled
17 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 3–6 AM arrived on time 96% of the time, against 93% between 6–9 AM.

Wednesday comes out ahead.

A small edge: 98% on time on Wednesdays against 92% on Fridays.

Better than the Delta Air Lines network average.

DL 1314 arrived on time 95% of the time, versus 81% across the Delta Air Lines network.

Slipping a little lately.

DL 1314 arrived on time 92% of the time over the last three months in the data, compared with 98% in the three months before that.

The breakdown

On-time by weekday
  • Mon92%(51 flights)
  • Tue96%(51 flights)
  • Wed98%(52 flights)
  • Thu94%(51 flights)
  • Fri92%(51 flights)
  • Sat96%(51 flights)
  • Sun98%(52 flights)
On-time by departure window
  • 3–6 AM96%(275 flights)
  • 6–9 AM93%(84 flights)
On-time trend by month
90%
May

Jun 93% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%30
July 202597%31
August 2025100%30
September 202590%30
October 202597%31
November 202597%29
December 202597%29
January 2026100%31
February 202696%27
March 202693%30
April 202693%30
May 202690%31
Departures on time
94%
Diverted
0%
Flights flown
359
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.