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WanderNerd

Flight Reliability

DL 5405 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5405 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

72%
Arrive within 15 minutes
11 min
Average arrival delay
3.6%
Cancelled
11 min early
Median arrival delay

Based on 247 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon68%(31 flights)
  • Tue82%(33 flights)
  • Wed67%(36 flights)
  • Thu68%(34 flights)
  • Fri76%(33 flights)
  • Sat77%(35 flights)
  • Sun66%(35 flights)
On-time by departure window
  • 6–9 AM68%(83 flights)
  • 9 AM–12 PM64%(66 flights)
  • 12–3 PM82%(87 flights)
  • 6–9 PM(1 flights)
On-time trend by month
82%
May

Jan 58% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
January 202658%55
February 202666%56
March 202676%29
April 202690%30
May 202682%55
Departures on time
77%
Diverted
0.4%
Flights flown
237
Months covered
8

Based on 247 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.