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WanderNerd

Flight Reliability

DL 1826 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1826 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
5 min early
Average arrival delay
0.3%
Cancelled
13 min early
Median arrival delay

Based on 357 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon98%(50 flights)
  • Tue92%(52 flights)
  • Wed90%(52 flights)
  • Thu92%(52 flights)
  • Fri88%(49 flights)
  • Sat88%(48 flights)
  • Sun88%(51 flights)
On-time by departure window
  • 6–9 AM90%(192 flights)
  • 9 AM–12 PM93%(162 flights)
On-time trend by month
83%
Dec

Jun 94% → Dec 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202594%46
July 202595%59
August 202594%62
September 202588%60
October 202594%62
November 202583%30
December 202583%35
Departures on time
91%
Diverted
0.6%
Flights flown
354
Months covered
7

Based on 357 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.