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Flight Reliability

DL 2818 · Delta Air Lines

ROA → Atlanta (ROA–ATL)88% of its flights flew this route. The rest (ATL–MEM) are included in these numbers.

88
Pretty Reliable
WanderNerd Reliability Score
89%
Arrive within 15 minutes
2 min early
Average arrival delay
2.3%
Cancelled
18 min early
Median arrival delay

Based on 309 historical flights. Data through May 2026.

What the data says

The 6–9 AM departure wins.

DL 2818 departing between 6–9 AM arrived on time 90% of the time, versus 80% between 9 AM–12 PM.

Thursdays have been rough.

DL 2818 arrived on time 96% of the time on Fridays and just 77% on Thursdays. That gap is worth planning around.

Better than the ROA–ATL route average.

DL 2818 arrived on time 89% of the time, versus 82% across the ROA–ATL route.

Better than the Delta Air Lines network average.

DL 2818 arrived on time 89% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon90%(41 flights)
  • Tue93%(43 flights)
  • Wed95%(43 flights)
  • Thu77%(44 flights)
  • Fri96%(44 flights)
  • Sat86%(43 flights)
  • Sun86%(44 flights)
On-time by departure window
  • 6–9 AM90%(267 flights)
  • 9 AM–12 PM80%(35 flights)
On-time trend by month
90%
May

Jun 76% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%29
September 202590%30
October 202597%31
November 202593%29
December 202570%30
January 202693%29
February 202696%28
March 202690%29
April 202693%30
May 202690%31
Departures on time
92%
Diverted
0%
Flights flown
302
Months covered
11

Same route, other flights

Keep nerding

Based on 309 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.