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Flight Reliability

DL 5255 · Delta Air Lines

VLD → Atlanta (VLD–ATL)

97
Nerd Approved
WanderNerd Reliability Score
96%
Arrive within 15 minutes
2 min early
Average arrival delay
1.6%
Cancelled
13 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

DL 5255 arrived on time 98% of the time on Thursdays. On Sundays: 89%.

Better than the VLD–ATL route average.

DL 5255 arrived on time 96% of the time, versus 83% across the VLD–ATL route.

Better than the Delta Air Lines network average.

DL 5255 arrived on time 96% of the time, versus 81% across the Delta Air Lines network.

Ticking up lately.

DL 5255 arrived on time 99% of the time over the last three months in the data, compared with 93% in the three months before that.

The breakdown

On-time by weekday
  • Mon98%(50 flights)
  • Tue96%(51 flights)
  • Wed96%(52 flights)
  • Thu98%(52 flights)
  • Fri98%(51 flights)
  • Sat94%(51 flights)
  • Sun89%(52 flights)
On-time trend by month
100%
May

Jun 93% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%29
July 2025100%31
August 202593%30
September 202597%30
October 2025100%31
November 202587%30
December 202583%30
January 202697%30
February 2026100%28
March 202697%29
April 2026100%30
May 2026100%31
Departures on time
95%
Diverted
0%
Flights flown
359
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.