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Flight Reliability

DL 2589 · Delta Air Lines

Detroit → New York (DTW–LGA)

85
Pretty Reliable
WanderNerd Reliability Score
86%
Arrive within 15 minutes
2 min early
Average arrival delay
2.2%
Cancelled
10 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

DL 2589 arrived on time 94% of the time on Thursdays and just 72% on Sundays. That gap is worth planning around.

Better than the DTW–LGA route average.

DL 2589 arrived on time 86% of the time, versus 76% across the DTW–LGA route.

A bit ahead of the Delta Air Lines network.

DL 2589 arrived on time 86% of the time, versus 81% across the Delta Air Lines network.

Slipping a little lately.

DL 2589 arrived on time 83% of the time over the last three months in the data, compared with 89% in the three months before that.

The breakdown

On-time by weekday
  • Mon90%(50 flights)
  • Tue77%(51 flights)
  • Wed92%(51 flights)
  • Thu94%(52 flights)
  • Fri85%(52 flights)
  • Sat92%(51 flights)
  • Sun72%(50 flights)
On-time by departure window
  • 6–9 AM—(8 flights)
  • 9 AM–12 PM86%(349 flights)
On-time trend by month
77%
May

Jun 83% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%30
July 202587%31
August 202587%31
September 202590%30
October 202590%30
November 202580%30
December 202577%30
January 202693%30
February 202696%25
March 202683%29
April 202690%30
May 202677%31
Departures on time
87%
Diverted
0%
Flights flown
357
Months covered
12

Same route, other flights

Keep nerding

Based on 365 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.