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Flight Reliability

DL 3801 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3801 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

96%
Arrive within 15 minutes
6 min early
Average arrival delay
1.3%
Cancelled
11 min early
Median arrival delay

Based on 720 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon97%(104 flights)
  • Tue99%(104 flights)
  • Wed92%(100 flights)
  • Thu94%(102 flights)
  • Fri92%(104 flights)
  • Sat100%(92 flights)
  • Sun96%(104 flights)
On-time by departure window
  • 9 AM–12 PM97%(447 flights)
  • 12–3 PM94%(263 flights)
On-time trend by month
92%
May

Jun 100% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%60
July 202598%62
August 202598%62
September 202598%60
October 202598%62
November 202598%52
December 202595%62
January 202692%60
February 202693%56
March 202696%56
April 202689%56
May 202692%62
Departures on time
96%
Diverted
0.1%
Flights flown
710
Months covered
12

Keep nerding

Based on 720 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.