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Flight Reliability

DL 3632 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3632 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
4 min
Average arrival delay
0.9%
Cancelled
11 min early
Median arrival delay

Based on 437 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(63 flights)
  • Tue89%(63 flights)
  • Wed92%(59 flights)
  • Thu88%(59 flights)
  • Fri86%(63 flights)
  • Sat94%(62 flights)
  • Sun86%(64 flights)
On-time by departure window
  • 12–3 PM92%(203 flights)
  • 3–6 PM87%(208 flights)
  • 6–9 PM—(5 flights)
  • 9 PM–12 AM77%(17 flights)
On-time trend by month
75%
Feb

Jun 100% → Feb 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%46
July 202584%62
August 202595%62
September 202593%60
October 202584%62
November 202593%57
December 202582%56
February 202675%16
Departures on time
90%
Diverted
0%
Flights flown
433
Months covered
10

Keep nerding

Based on 437 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.