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Flight Reliability

DL 457 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 457 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

74%
Arrive within 15 minutes
15 min
Average arrival delay
2.4%
Cancelled
6 min early
Median arrival delay

Based on 333 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(48 flights)
  • Tue89%(46 flights)
  • Wed72%(46 flights)
  • Thu66%(47 flights)
  • Fri81%(47 flights)
  • Sat75%(44 flights)
  • Sun59%(46 flights)
On-time by departure window
  • 3–6 PM66%(88 flights)
  • 6–9 PM76%(235 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
75%
May

Jun 48% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202548%29
July 202564%28
August 202577%31
September 202580%30
October 202573%30
November 202582%28
December 202558%12
January 202686%29
February 202696%26
March 202665%31
April 202670%30
May 202675%20
Departures on time
71%
Diverted
0.3%
Flights flown
324
Months covered
12

Keep nerding

Based on 333 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.