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Flight Reliability

DL 4106 · Delta Air Lines

Reno → Los Angeles (RNO–LAX)

97
Nerd Approved
WanderNerd Reliability Score
90%
Arrive within 15 minutes
3 min early
Average arrival delay
0.3%
Cancelled
10 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Thursday is the weak spot.

DL 4106 arrived on time 96% of the time on Mondays. On Thursdays: 85%.

A bit ahead of the RNO–LAX route.

DL 4106 arrived on time 90% of the time, versus 87% across the RNO–LAX route.

Better than the Delta Air Lines network average.

DL 4106 arrived on time 90% 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
  • Mon96%(52 flights)
  • Tue92%(51 flights)
  • Wed90%(52 flights)
  • Thu85%(52 flights)
  • Fri90%(52 flights)
  • Sat89%(52 flights)
  • Sun89%(53 flights)
On-time trend by month
94%
May

Jun 93% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%30
July 202597%31
August 202590%31
September 202597%30
October 202584%31
November 202593%30
December 2025100%31
January 202684%31
February 202663%27
March 202690%31
April 202693%30
May 202694%31
Departures on time
92%
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.