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Flight Reliability

DL 5590 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5590 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

77%
Arrive within 15 minutes
7 min
Average arrival delay
4.9%
Cancelled
6 min early
Median arrival delay

Based on 432 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(61 flights)
  • Tue77%(62 flights)
  • Wed74%(61 flights)
  • Thu79%(58 flights)
  • Fri79%(62 flights)
  • Sat75%(44 flights)
  • Sun75%(55 flights)
On-time by departure window
  • 6–9 AM—(8 flights)
  • 9 AM–12 PM90%(177 flights)
  • 12–3 PM78%(100 flights)
  • 3–6 PM55%(84 flights)
  • 6–9 PM59%(34 flights)
On-time trend by month
48%
May

Jun 87% → May 48% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202593%30
August 202597%31
September 202593%30
November 202574%34
December 202574%50
January 202680%56
February 202689%36
March 202646%39
April 202666%35
May 202648%27
Departures on time
81%
Diverted
1.9%
Flights flown
403
Months covered
12

Keep nerding

Based on 432 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.