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Flight Reliability

DL 3055 · Delta Air Lines

Charleston → Atlanta (CHS–ATL)

95
Nerd Approved
WanderNerd Reliability Score
97%
Arrive within 15 minutes
14 min early
Average arrival delay
2.0%
Cancelled
18 min early
Median arrival delay

Based on 358 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 3–6 AM arrived on time 97% of the time, against 91% between 6–9 AM.

Saturday is the weak spot.

DL 3055 arrived on time 100% of the time on Thursdays. On Saturdays: 92%.

Better than the CHS–ATL route average.

DL 3055 arrived on time 97% of the time, versus 89% across the CHS–ATL route.

Well ahead of the Delta Air Lines network.

DL 3055 arrived on time 97% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon94%(51 flights)
  • Tue94%(51 flights)
  • Wed98%(50 flights)
  • Thu100%(51 flights)
  • Fri98%(52 flights)
  • Sat92%(49 flights)
  • Sun100%(46 flights)
On-time by departure window
  • 3–6 AM97%(339 flights)
  • 6–9 AM91%(11 flights)
On-time trend by month
100%
May

Jun 90% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%29
July 202597%31
August 2025100%30
September 2025100%30
October 202597%31
November 202597%29
December 202593%29
January 2026100%30
February 2026100%27
March 202685%27
April 2026100%30
May 2026100%27
Departures on time
96%
Diverted
0.3%
Flights flown
350
Months covered
12

Same route, other flights

Keep nerding

Based on 358 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.