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Flight Reliability

DL 711 · Delta Air Lines

Atlanta → Las Vegas (ATL–LAS)

81
Pretty Reliable
WanderNerd Reliability Score
74%
Arrive within 15 minutes
10 min
Average arrival delay
0.3%
Cancelled
2 min early
Median arrival delay

Based on 360 historical flights. Data through May 2026.

What the data says

6–9 PM has a slight edge.

Departures between 6–9 PM arrived on time 79% of the time, against 73% between 3–6 PM.

Thursdays have been rough.

DL 711 arrived on time 86% of the time on Wednesdays and just 64% on Thursdays. That gap is worth planning around.

Lagging the Delta Air Lines network.

DL 711 arrived on time 74% of the time, versus 81% across the Delta Air Lines network.

It basically never cancels.

Out of 360 scheduled flights, only 0.3% were cancelled.

The breakdown

On-time by weekday
  • Mon71%(52 flights)
  • Tue75%(51 flights)
  • Wed86%(50 flights)
  • Thu64%(50 flights)
  • Fri73%(52 flights)
  • Sat81%(52 flights)
  • Sun69%(52 flights)
On-time by departure window
  • 12–3 PM—(1 flights)
  • 3–6 PM73%(302 flights)
  • 6–9 PM79%(56 flights)
On-time trend by month
74%
May

Jun 43% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202543%30
July 202571%31
August 202568%31
September 202577%30
October 202581%31
November 202575%28
December 202582%27
January 202674%31
February 202686%28
March 202681%31
April 202680%30
May 202674%31
Departures on time
76%
Diverted
0%
Flights flown
359
Months covered
12

Same route, other flights

Keep nerding

Based on 360 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.