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Flight Reliability

DL 1650 · Delta Air Lines

Reno → Salt Lake City (RNO–SLC)

98
Nerd Approved
WanderNerd Reliability Score
91%
Arrive within 15 minutes
3 min early
Average arrival delay
0.3%
Cancelled
11 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

The 6–9 AM departure wins.

DL 1650 departing between 6–9 AM arrived on time 92% of the time, versus 84% between 3–6 AM.

Sunday scaries are real for this one.

DL 1650 arrived on time 100% of the time on Mondays and just 83% on Sundays. That gap is worth planning around.

Better than the Delta Air Lines network average.

DL 1650 arrived on time 91% of the time, versus 81% across the Delta Air Lines network.

It basically never cancels.

Out of 365 scheduled flights, only 0.3% were cancelled.

The breakdown

On-time by weekday
  • Mon100%(52 flights)
  • Tue94%(52 flights)
  • Wed92%(52 flights)
  • Thu87%(52 flights)
  • Fri92%(52 flights)
  • Sat88%(51 flights)
  • Sun83%(53 flights)
On-time by departure window
  • 3–6 AM84%(63 flights)
  • 6–9 AM92%(301 flights)
On-time trend by month
100%
May

Jun 90% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%30
July 202594%31
August 202594%31
September 202597%30
October 202590%31
November 202590%30
December 202583%30
January 202687%31
February 202682%28
March 202687%31
April 202697%30
May 2026100%31
Departures on time
93%
Diverted
0%
Flights flown
364
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.