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Flight Reliability

DL 2339 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2339 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

72%
Arrive within 15 minutes
13 min
Average arrival delay
5.1%
Cancelled
5 min early
Median arrival delay

Based on 510 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon65%(63 flights)
  • Tue77%(70 flights)
  • Wed73%(67 flights)
  • Thu77%(69 flights)
  • Fri76%(72 flights)
  • Sat78%(69 flights)
  • Sun53%(66 flights)
On-time by departure window
  • 6–9 AM91%(21 flights)
  • 9 AM–12 PM71%(322 flights)
  • 12–3 PM69%(127 flights)
  • 3–6 PM—(6 flights)
On-time trend by month
89%
May

Jun 69% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%35
July 202567%27
August 202573%30
September 202579%29
October 202568%31
November 202570%30
December 202551%37
January 202671%58
February 202675%52
March 202677%53
April 202670%59
May 202689%35
Departures on time
79%
Diverted
1.6%
Flights flown
476
Months covered
12

Keep nerding

Based on 510 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.