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Flight Reliability

DL 5274 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5274 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
4 min
Average arrival delay
3.5%
Cancelled
5 min early
Median arrival delay

Based on 282 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(42 flights)
  • Tue78%(46 flights)
  • Wed81%(42 flights)
  • Thu81%(42 flights)
  • Fri77%(44 flights)
  • Sat93%(15 flights)
  • Sun76%(41 flights)
On-time by departure window
  • 6–9 AM86%(36 flights)
  • 9 AM–12 PM—(2 flights)
  • 12–3 PM80%(69 flights)
  • 3–6 PM77%(105 flights)
  • 6–9 PM77%(60 flights)
On-time trend by month
77%
Apr

Jun 51% → Apr 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202551%39
July 202580%44
August 202589%26
September 202597%35
January 202685%26
February 202675%24
March 202679%29
April 202677%30
Departures on time
82%
Diverted
0%
Flights flown
272
Months covered
11

Keep nerding

Based on 282 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.