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Flight Reliability

DL 5205 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5205 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

70%
Arrive within 15 minutes
22 min
Average arrival delay
0.4%
Cancelled
6 min early
Median arrival delay

Based on 246 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(39 flights)
  • Tue79%(38 flights)
  • Wed80%(40 flights)
  • Thu53%(38 flights)
  • Fri67%(36 flights)
  • Sat87%(15 flights)
  • Sun59%(39 flights)
On-time by departure window
  • 6–9 AM87%(46 flights)
  • 9 AM–12 PM82%(34 flights)
  • 3–6 PM66%(83 flights)
  • 6–9 PM59%(82 flights)
On-time trend by month
82%
Apr

Jun 58% → Apr 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202558%19
July 202557%49
August 202564%56
September 202575%20
December 2025100%11
February 202657%14
March 202679%48
April 202682%22
Departures on time
73%
Diverted
0%
Flights flown
245
Months covered
10

Keep nerding

Based on 246 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.