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WanderNerd

Flight Reliability

DL 1814 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1814 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

90%
Arrive within 15 minutes
5 min early
Average arrival delay
0.8%
Cancelled
13 min early
Median arrival delay

Based on 385 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(56 flights)
  • Tue95%(56 flights)
  • Wed89%(56 flights)
  • Thu100%(56 flights)
  • Fri96%(56 flights)
  • Sat90%(49 flights)
  • Sun74%(53 flights)
On-time by departure window
  • 6–9 AM94%(98 flights)
  • 9 AM–12 PM88%(282 flights)
  • 12–3 PM(2 flights)
On-time trend by month
89%
Dec

Jun 82% → Dec 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%45
July 202595%62
August 202597%58
September 202590%59
October 202598%62
November 202575%60
December 202589%36
Departures on time
89%
Diverted
0%
Flights flown
382
Months covered
7

Based on 385 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.