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Flight Reliability

DL 3615 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3615 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

86%
Arrive within 15 minutes
0 min
Average arrival delay
0%
Cancelled
14 min early
Median arrival delay

Based on 246 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(37 flights)
  • Tue78%(37 flights)
  • Wed92%(37 flights)
  • Thu86%(35 flights)
  • Fri85%(33 flights)
  • Sat94%(34 flights)
  • Sun85%(33 flights)
On-time by departure window
  • 6–9 AM84%(32 flights)
  • 3–6 PM89%(190 flights)
  • 6–9 PM63%(24 flights)
On-time trend by month
61%
Apr

Jun 90% → Apr 61% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%30
July 202583%29
August 202597%31
September 202597%30
October 202590%30
November 202578%27
December 202584%19
January 202684%25
April 202661%18
Departures on time
87%
Diverted
0%
Flights flown
246
Months covered
10

Keep nerding

Based on 246 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.