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Flight Reliability

DL 5343 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5343 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

67%
Arrive within 15 minutes
20 min
Average arrival delay
9.7%
Cancelled
5 min early
Median arrival delay

Based on 352 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon62%(47 flights)
  • Tue69%(49 flights)
  • Wed70%(50 flights)
  • Thu59%(49 flights)
  • Fri71%(52 flights)
  • Sat83%(23 flights)
  • Sun64%(47 flights)
On-time by departure window
  • 3–6 PM64%(132 flights)
  • 6–9 PM70%(184 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
73%
May

Jun 62% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%21
July 202575%16
August 202584%25
September 202580%25
October 202563%24
November 202552%23
December 202550%24
January 202689%26
February 202670%37
March 202653%36
April 202660%30
May 202673%30
Departures on time
69%
Diverted
0.3%
Flights flown
317
Months covered
12

Keep nerding

Based on 352 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.