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Flight Reliability

DL 2815 · Delta Air Lines

Atlanta → Key West (ATL–EYW)

72
Usually Fine
WanderNerd Reliability Score
75%
Arrive within 15 minutes
14 min
Average arrival delay
1.1%
Cancelled
7 min early
Median arrival delay

Based on 364 historical flights. Data through May 2026.

What the data says

6–9 PM has a slight edge.

Departures between 6–9 PM arrived on time 77% of the time, against 74% between 3–6 PM.

Sunday scaries are real for this one.

DL 2815 arrived on time 86% of the time on Wednesdays and just 65% on Sundays. That gap is worth planning around.

A bit behind the ATL–EYW route.

DL 2815 arrived on time 75% of the time, versus 81% across the ATL–EYW route.

A bit behind the Delta Air Lines network.

DL 2815 arrived on time 75% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon76%(50 flights)
  • Tue77%(51 flights)
  • Wed86%(51 flights)
  • Thu80%(51 flights)
  • Fri72%(50 flights)
  • Sat71%(52 flights)
  • Sun65%(51 flights)
On-time by departure window
  • 3–6 PM74%(206 flights)
  • 6–9 PM77%(150 flights)
On-time trend by month
77%
May

Jun 57% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%30
July 202553%30
August 202570%30
September 202597%30
October 202584%31
November 202576%29
December 202555%31
January 202677%30
February 202681%26
March 202693%29
April 202687%30
May 202677%30
Departures on time
78%
Diverted
1.1%
Flights flown
356
Months covered
12

Same route, other flights

Keep nerding

Based on 364 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.