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Flight Reliability

DL 5224 · Delta Air Lines

Atlanta → Knoxville (ATL–TYS)

63
A Little Dicey
WanderNerd Reliability Score
66%
Arrive within 15 minutes
20 min
Average arrival delay
1.3%
Cancelled
5 min early
Median arrival delay

Based on 307 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

DL 5224 departing between 3–6 PM arrived on time 74% of the time, versus 51% between 9 PM–12 AM.

Friday is doing you no favors.

DL 5224 arrived on time 78% of the time on Saturdays and just 51% on Fridays. That gap is worth planning around.

Lagging the ATL–TYS route.

DL 5224 arrived on time 66% of the time, versus 79% across the ATL–TYS route.

Well behind the Delta Air Lines network.

DL 5224 arrived on time 66% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon64%(47 flights)
  • Tue67%(43 flights)
  • Wed71%(41 flights)
  • Thu63%(43 flights)
  • Fri51%(43 flights)
  • Sat78%(40 flights)
  • Sun67%(46 flights)
On-time by departure window
  • 3–6 PM74%(49 flights)
  • 6–9 PM66%(219 flights)
  • 9 PM–12 AM51%(35 flights)
On-time trend by month
67%
May

Jun 54% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202554%28
July 202555%29
August 202568%31
September 202570%30
October 202571%31
November 202575%28
December 202546%28
January 202693%15
February 202682%11
March 202663%24
April 202667%24
May 202667%24
Departures on time
66%
Diverted
0%
Flights flown
303
Months covered
12

Same route, other flights

Keep nerding

Based on 307 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.