Skip to content
WanderNerd

Flight Reliability

DL 4869 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 4869 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

83%
Arrive within 15 minutes
11 min
Average arrival delay
2.9%
Cancelled
10 min early
Median arrival delay

Based on 245 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon88%(34 flights)
  • Tue80%(35 flights)
  • Wed83%(36 flights)
  • Thu94%(34 flights)
  • Fri71%(34 flights)
  • Sat86%(28 flights)
  • Sun81%(36 flights)
On-time by departure window
  • 6–9 AM93%(28 flights)
  • 9 AM–12 PM91%(53 flights)
  • 12–3 PM94%(68 flights)
  • 3–6 PM69%(52 flights)
  • 6–9 PM64%(36 flights)
On-time trend by month
62%
Dec

Jun 91% → Dec 62% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202591%22
August 202592%37
September 202593%58
October 2025100%10
November 202578%36
December 202562%60
Departures on time
83%
Diverted
0.4%
Flights flown
237
Months covered
8

Based on 245 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.