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Flight Reliability

DL 5254 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5254 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

84%
Arrive within 15 minutes
0 min
Average arrival delay
3.9%
Cancelled
15 min early
Median arrival delay

Based on 611 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(81 flights)
  • Tue86%(81 flights)
  • Wed88%(81 flights)
  • Thu93%(83 flights)
  • Fri78%(87 flights)
  • Sat85%(85 flights)
  • Sun81%(88 flights)
On-time by departure window
  • 9 AM–12 PM85%(355 flights)
  • 12–3 PM82%(231 flights)
On-time trend by month
72%
May

Jun 75% → May 72% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%40
July 202592%60
August 202594%62
September 202595%59
October 202587%61
November 202580%55
December 202586%36
January 202686%22
February 202685%26
March 202683%47
April 202672%58
May 202672%60
Departures on time
85%
Diverted
0.2%
Flights flown
586
Months covered
12

Keep nerding

Based on 611 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.