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Flight Reliability

DL 2009 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2009 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

81%
Arrive within 15 minutes
3 min
Average arrival delay
3.2%
Cancelled
6 min early
Median arrival delay

Based on 345 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(49 flights)
  • Tue87%(46 flights)
  • Wed78%(50 flights)
  • Thu86%(51 flights)
  • Fri77%(51 flights)
  • Sat86%(36 flights)
  • Sun68%(50 flights)
On-time by departure window
  • 3–6 AM80%(40 flights)
  • 12–3 PM85%(140 flights)
  • 3–6 PM78%(147 flights)
  • 6–9 PM—(6 flights)
On-time trend by month
72%
May

Jun 69% → May 72% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%16
November 202581%21
December 202588%41
January 202681%59
February 202690%50
March 202678%51
April 202681%53
May 202672%32
Departures on time
80%
Diverted
0.3%
Flights flown
333
Months covered
10

Keep nerding

Based on 345 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.