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Flight Reliability

DL 5223 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5223 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

88%
Arrive within 15 minutes
7 min early
Average arrival delay
3.0%
Cancelled
16 min early
Median arrival delay

Based on 625 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon94%(85 flights)
  • Tue86%(85 flights)
  • Wed93%(88 flights)
  • Thu87%(89 flights)
  • Fri85%(86 flights)
  • Sat85%(88 flights)
  • Sun88%(84 flights)
On-time by departure window
  • 6–9 AM88%(115 flights)
  • 9 AM–12 PM88%(490 flights)
On-time trend by month
91%
May

Jun 80% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%50
July 202589%61
August 202597%62
September 202593%60
October 202592%62
November 202583%54
December 202572%36
January 202691%23
February 202679%38
March 202689%61
April 202695%42
May 202691%56
Departures on time
89%
Diverted
0.2%
Flights flown
605
Months covered
12

Keep nerding

Based on 625 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.