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Flight Reliability

DL 864 · Delta Air Lines

Las Vegas → Detroit (LAS–DTW)

100
Nerd Approved
WanderNerd Reliability Score
95%
Arrive within 15 minutes
6 min early
Average arrival delay
0.3%
Cancelled
10 min early
Median arrival delay

Based on 359 historical flights. Data through May 2026.

What the data says

Skip Wednesday if you can.

DL 864 arrived on time 100% of the time on Tuesdays. On Wednesdays: 89%.

Better than the LAS–DTW route average.

DL 864 arrived on time 95% of the time, versus 82% across the LAS–DTW route.

Better than the Delta Air Lines network average.

DL 864 arrived on time 95% of the time, versus 81% across the Delta Air Lines network.

It basically never cancels.

Out of 359 scheduled flights, only 0.3% were cancelled.

The breakdown

On-time by weekday
  • Mon92%(51 flights)
  • Tue100%(52 flights)
  • Wed89%(52 flights)
  • Thu98%(52 flights)
  • Fri98%(52 flights)
  • Sat94%(52 flights)
  • Sun92%(47 flights)
On-time trend by month
97%
May

Jun 93% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%30
July 202597%31
August 202597%31
September 202593%30
October 202594%31
November 202590%29
December 202590%31
January 202697%31
February 202696%28
March 202693%27
April 2026100%28
May 202697%31
Departures on time
95%
Diverted
0%
Flights flown
358
Months covered
12

Same route, other flights

Keep nerding

Based on 359 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.