Skip to content
WanderNerd

Flight Reliability

DL 5090 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5090 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

76%
Arrive within 15 minutes
15 min
Average arrival delay
2.9%
Cancelled
7 min early
Median arrival delay

Based on 375 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(57 flights)
  • Tue84%(55 flights)
  • Wed73%(59 flights)
  • Thu88%(57 flights)
  • Fri71%(56 flights)
  • Sat64%(28 flights)
  • Sun71%(51 flights)
On-time by departure window
  • 6–9 AM75%(77 flights)
  • 9 AM–12 PM76%(46 flights)
  • 12–3 PM58%(40 flights)
  • 3–6 PM83%(48 flights)
  • 6–9 PM79%(53 flights)
  • 9 PM–12 AM78%(99 flights)
On-time trend by month
68%
May

Jul 84% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202584%25
August 2025100%21
September 202589%36
October 202577%31
November 202581%26
December 202561%41
January 202670%27
February 202664%22
March 202687%46
April 202661%38
May 202668%44
Departures on time
79%
Diverted
0.3%
Flights flown
363
Months covered
12

Based on 375 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.