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Flight Reliability

DL 814 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 814 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

85%
Arrive within 15 minutes
0 min
Average arrival delay
0.9%
Cancelled
12 min early
Median arrival delay

Based on 345 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon88%(48 flights)
  • Tue79%(47 flights)
  • Wed100%(48 flights)
  • Thu85%(48 flights)
  • Fri88%(48 flights)
  • Sat83%(53 flights)
  • Sun76%(49 flights)
On-time by departure window
  • 6–9 AM91%(93 flights)
  • 9 AM–12 PM87%(149 flights)
  • 12–3 PM74%(74 flights)
  • 6–9 PM88%(25 flights)
On-time trend by month
83%
May

Jun 91% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202591%35
July 202597%31
August 202590%30
September 202597%30
October 202581%31
November 202580%30
December 202583%30
January 202674%31
February 202675%28
March 202675%12
April 202691%23
May 202683%30
Departures on time
87%
Diverted
0.3%
Flights flown
341
Months covered
12

Keep nerding

Based on 345 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.