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Flight Reliability

DL 3818 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3818 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

91%
Arrive within 15 minutes
4 min early
Average arrival delay
0.3%
Cancelled
10 min early
Median arrival delay

Based on 597 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(85 flights)
  • Tue97%(85 flights)
  • Wed97%(85 flights)
  • Thu86%(85 flights)
  • Fri89%(85 flights)
  • Sat92%(84 flights)
  • Sun94%(86 flights)
On-time by departure window
  • 6–9 AM80%(20 flights)
  • 9 AM–12 PM92%(573 flights)
  • 6–9 PM—(2 flights)
On-time trend by month
88%
Apr

Jun 94% → Apr 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202594%53
July 202587%62
August 202595%62
September 202595%60
October 202590%62
November 202595%60
December 202584%50
January 202690%31
February 202696%45
March 202688%60
April 202688%42
Departures on time
92%
Diverted
0%
Flights flown
595
Months covered
12

Keep nerding

Based on 597 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.