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WanderNerd

Flight Reliability

DL 3547 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3547 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

95%
Arrive within 15 minutes
5 min early
Average arrival delay
0%
Cancelled
8 min early
Median arrival delay

Based on 403 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon89%(62 flights)
  • Tue96%(56 flights)
  • Wed95%(56 flights)
  • Thu98%(57 flights)
  • Fri97%(58 flights)
  • Sat93%(54 flights)
  • Sun95%(60 flights)
On-time by departure window
  • 9 AM–12 PM97%(194 flights)
  • 12–3 PM93%(195 flights)
  • 3–6 PM(7 flights)
  • 6–9 PM(7 flights)
On-time trend by month
80%
Apr

Jun 90% → Apr 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%50
July 202590%62
August 202595%62
September 2025100%60
October 202598%62
November 202595%59
December 202595%38
April 202680%10
Departures on time
95%
Diverted
0%
Flights flown
403
Months covered
8

Based on 403 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.