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Flight Reliability

DL 1589 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1589 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

69%
Arrive within 15 minutes
18 min
Average arrival delay
1.8%
Cancelled
0 min
Median arrival delay

Based on 331 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon59%(46 flights)
  • Tue79%(47 flights)
  • Wed70%(47 flights)
  • Thu70%(47 flights)
  • Fri56%(45 flights)
  • Sat72%(46 flights)
  • Sun75%(47 flights)
On-time by departure window
  • 3–6 PM—(4 flights)
  • 6–9 PM86%(35 flights)
  • 9 PM–12 AM66%(286 flights)
On-time trend by month
71%
May

Jun 52% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202552%29
July 202545%29
August 202569%13
September 202571%21
October 202577%31
November 202584%25
December 202566%29
January 202667%30
February 202682%28
March 202672%29
April 202670%30
May 202671%31
Departures on time
69%
Diverted
0%
Flights flown
325
Months covered
12

Keep nerding

Based on 331 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.