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WanderNerd

Flight Reliability

DL 3968 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3968 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

76%
Arrive within 15 minutes
13 min
Average arrival delay
3.0%
Cancelled
9 min early
Median arrival delay

Based on 336 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(50 flights)
  • Tue85%(52 flights)
  • Wed93%(54 flights)
  • Thu63%(48 flights)
  • Fri60%(48 flights)
  • Sat85%(26 flights)
  • Sun63%(48 flights)
On-time by departure window
  • 6–9 AM85%(66 flights)
  • 9 AM–12 PM77%(145 flights)
  • 12–3 PM73%(79 flights)
  • 3–6 PM50%(18 flights)
  • 6–9 PM67%(18 flights)
On-time trend by month
85%
Apr

Oct 100% → Apr 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
October 2025100%50
November 202581%48
December 202571%58
January 202669%58
February 202666%44
March 202663%48
April 202685%20
Departures on time
76%
Diverted
0%
Flights flown
326
Months covered
7

Based on 336 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.