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WanderNerd

Flight Reliability

DL 5534 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5534 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

79%
Arrive within 15 minutes
6 min
Average arrival delay
1.1%
Cancelled
8 min early
Median arrival delay

Based on 261 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(41 flights)
  • Tue77%(31 flights)
  • Wed84%(32 flights)
  • Thu83%(40 flights)
  • Fri85%(39 flights)
  • Sat80%(30 flights)
  • Sun75%(44 flights)
On-time by departure window
  • 9 AM–12 PM76%(147 flights)
  • 12–3 PM80%(54 flights)
  • 3–6 PM73%(11 flights)
  • 6–9 PM97%(34 flights)
  • 9 PM–12 AM82%(11 flights)
On-time trend by month
87%
May

Jul 68% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202568%19
September 202592%12
October 2025100%17
November 202592%12
February 202682%11
March 202675%48
April 202671%58
May 202687%62
Departures on time
80%
Diverted
0.4%
Flights flown
257
Months covered
12

Based on 261 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.