Skip to content
WanderNerd

Flight Reliability

DL 5494 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5494 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

83%
Arrive within 15 minutes
6 min
Average arrival delay
1.5%
Cancelled
15 min early
Median arrival delay

Based on 326 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(47 flights)
  • Tue83%(48 flights)
  • Wed84%(49 flights)
  • Thu79%(48 flights)
  • Fri91%(42 flights)
  • Sat86%(43 flights)
  • Sun75%(44 flights)
On-time by departure window
  • 3–6 AM95%(21 flights)
  • 6–9 AM85%(211 flights)
  • 9 AM–12 PM87%(30 flights)
  • 12–3 PM(5 flights)
  • 3–6 PM(4 flights)
  • 6–9 PM72%(25 flights)
  • 9 PM–12 AM60%(25 flights)
On-time trend by month
81%
May

Jun 75% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%32
July 202597%31
August 202590%31
September 202587%30
October 202597%30
November 202586%28
December 202573%41
January 202676%29
March 202672%18
April 202676%25
May 202681%26
Departures on time
86%
Diverted
0%
Flights flown
321
Months covered
11

Based on 326 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.