Skip to content
WanderNerd
Check a flight

Flight Reliability

DL 3962 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3962 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

89%
Arrive within 15 minutes
5 min
Average arrival delay
1.8%
Cancelled
13 min early
Median arrival delay

Based on 388 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(54 flights)
  • Tue89%(55 flights)
  • Wed91%(54 flights)
  • Thu93%(53 flights)
  • Fri89%(53 flights)
  • Sat87%(55 flights)
  • Sun88%(57 flights)
On-time by departure window
  • 3–6 AM95%(21 flights)
  • 6–9 AM90%(290 flights)
  • 3–6 PM83%(35 flights)
  • 6–9 PM77%(35 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 2025100%31
August 202597%31
September 2025100%30
October 202594%31
November 202593%30
December 202564%28
January 202674%31
February 202692%26
March 202677%53
April 202693%42
May 2026100%18
Departures on time
90%
Diverted
0%
Flights flown
381
Months covered
12

Keep nerding

Based on 388 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.