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WanderNerd

Flight Reliability

DL 3696 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3696 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

85%
Arrive within 15 minutes
1 min
Average arrival delay
0.4%
Cancelled
12 min early
Median arrival delay

Based on 282 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(36 flights)
  • Tue82%(45 flights)
  • Wed89%(45 flights)
  • Thu83%(35 flights)
  • Fri82%(34 flights)
  • Sat85%(46 flights)
  • Sun90%(40 flights)
On-time by departure window
  • 6–9 AM91%(140 flights)
  • 9 AM–12 PM67%(15 flights)
  • 12–3 PM89%(18 flights)
  • 3–6 PM(1 flights)
  • 6–9 PM81%(84 flights)
  • 9 PM–12 AM78%(23 flights)
On-time trend by month
97%
May

Jun 85% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202585%13
July 202579%29
August 202597%31
September 202597%29
November 202589%18
December 2025100%12
January 202681%31
February 202671%28
March 202667%27
April 202682%28
May 202697%30
Departures on time
85%
Diverted
0%
Flights flown
281
Months covered
12

Based on 282 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.