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Flight Reliability

DL 516 · Delta Air Lines

Dallas → Atlanta (DAL–ATL)

82
Pretty Reliable
WanderNerd Reliability Score
89%
Arrive within 15 minutes
1 min
Average arrival delay
3.3%
Cancelled
9 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 6–9 AM arrived on time 90% of the time, against 84% between 3–6 AM.

Skip Saturday if you can.

DL 516 arrived on time 92% of the time on Thursdays. On Saturdays: 79%.

Better than the DAL–ATL route average.

DL 516 arrived on time 89% of the time, versus 79% across the DAL–ATL route.

Better than the Delta Air Lines network average.

DL 516 arrived on time 89% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon90%(51 flights)
  • Tue92%(50 flights)
  • Wed86%(51 flights)
  • Thu92%(52 flights)
  • Fri92%(49 flights)
  • Sat79%(47 flights)
  • Sun89%(52 flights)
On-time by departure window
  • 3–6 AM84%(89 flights)
  • 6–9 AM90%(263 flights)
On-time trend by month
86%
May

Jun 79% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%28
July 202584%31
August 202590%30
September 2025100%30
October 202587%31
November 202590%30
December 202590%31
January 202686%29
February 202693%28
March 202690%29
April 202689%27
May 202686%28
Departures on time
90%
Diverted
0.3%
Flights flown
352
Months covered
12

Same route, other flights

Keep nerding

Based on 365 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.