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Flight Reliability

DL 596 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 596 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

84%
Arrive within 15 minutes
0 min
Average arrival delay
2.2%
Cancelled
8 min early
Median arrival delay

Based on 551 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon92%(73 flights)
  • Tue87%(78 flights)
  • Wed86%(77 flights)
  • Thu82%(79 flights)
  • Fri88%(77 flights)
  • Sat72%(76 flights)
  • Sun81%(77 flights)
On-time by departure window
  • 6–9 AM84%(138 flights)
  • 9 AM–12 PM85%(201 flights)
  • 12–3 PM83%(198 flights)
On-time trend by month
68%
May

Jun 83% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%46
July 202572%61
August 202579%62
September 2025100%60
October 202590%62
November 202585%58
December 202577%47
January 202677%26
February 202692%25
March 202687%30
April 2026100%29
May 202668%31
Departures on time
85%
Diverted
0.4%
Flights flown
537
Months covered
12

Keep nerding

Based on 551 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.