Skip to content
WanderNerd

Flight Reliability

DL 2389 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2389 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

82%
Arrive within 15 minutes
4 min
Average arrival delay
3.0%
Cancelled
7 min early
Median arrival delay

Based on 304 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(46 flights)
  • Tue75%(44 flights)
  • Wed93%(40 flights)
  • Thu80%(44 flights)
  • Fri79%(48 flights)
  • Sat79%(34 flights)
  • Sun85%(39 flights)
On-time by departure window
  • 9 AM–12 PM(2 flights)
  • 12–3 PM80%(133 flights)
  • 3–6 PM87%(53 flights)
  • 6–9 PM82%(107 flights)
On-time trend by month
78%
May

Jun 65% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%17
December 202561%18
January 202692%38
February 202686%44
March 202688%57
April 202689%56
May 202678%60
Departures on time
80%
Diverted
0%
Flights flown
295
Months covered
9

Based on 304 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.