Skip to content
WanderNerd

Flight Reliability

DL 3715 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3715 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

70%
Arrive within 15 minutes
23 min
Average arrival delay
2.2%
Cancelled
1 min early
Median arrival delay

Based on 319 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon61%(46 flights)
  • Tue73%(45 flights)
  • Wed70%(47 flights)
  • Thu67%(46 flights)
  • Fri67%(45 flights)
  • Sat80%(35 flights)
  • Sun72%(47 flights)
On-time by departure window
  • 6–9 AM76%(33 flights)
  • 9 AM–12 PM78%(40 flights)
  • 12–3 PM(1 flights)
  • 3–6 PM(4 flights)
  • 6–9 PM65%(214 flights)
  • 9 PM–12 AM90%(19 flights)
On-time trend by month
85%
May

Jun 70% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%30
July 202558%31
August 202559%27
September 202590%30
November 202584%32
December 202570%33
January 202650%26
February 202661%28
March 202657%30
April 202692%12
May 202685%27
Departures on time
72%
Diverted
0.3%
Flights flown
311
Months covered
12

Based on 319 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.