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WanderNerd

Flight Reliability

DL 3535 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3535 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

81%
Arrive within 15 minutes
20 min
Average arrival delay
1.8%
Cancelled
13 min early
Median arrival delay

Based on 111 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(17 flights)
  • Tue82%(17 flights)
  • Wed82%(17 flights)
  • Thu77%(17 flights)
  • Fri94%(16 flights)
  • Sat100%(10 flights)
  • Sun67%(15 flights)
On-time by departure window
  • 9 AM–12 PM70%(37 flights)
  • 6–9 PM86%(72 flights)
On-time trend by month
71%
Dec

Jun 70% → Dec 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%37
October 202589%26
November 202593%29
December 202571%17
Departures on time
79%
Diverted
0%
Flights flown
109
Months covered
4

Based on 111 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.