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WanderNerd

Flight Reliability

DL 3650 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3650 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

90%
Arrive within 15 minutes
3 min early
Average arrival delay
0.4%
Cancelled
10 min early
Median arrival delay

Based on 252 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon92%(38 flights)
  • Tue84%(38 flights)
  • Wed81%(37 flights)
  • Thu90%(38 flights)
  • Fri89%(35 flights)
  • Sat100%(24 flights)
  • Sun95%(40 flights)
On-time by departure window
  • 6–9 AM93%(53 flights)
  • 9 AM–12 PM87%(125 flights)
  • 12–3 PM92%(72 flights)
On-time trend by month
78%
Dec

Jun 93% → Dec 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%40
July 202594%52
August 202585%54
September 202597%59
October 2025100%10
December 202578%23
Departures on time
90%
Diverted
0.4%
Flights flown
250
Months covered
8

Based on 252 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.