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Flight Reliability

DL 3018 · Delta Air Lines

GSO → Atlanta (GSO–ATL)

95
Nerd Approved
WanderNerd Reliability Score
96%
Arrive within 15 minutes
12 min early
Average arrival delay
2.2%
Cancelled
18 min early
Median arrival delay

Based on 358 historical flights. Data through May 2026.

What the data says

Wednesday has been the better bet.

A small edge: 98% on time on Wednesdays against 92% on Tuesdays.

A bit ahead of the GSO–ATL route.

DL 3018 arrived on time 96% of the time, versus 89% across the GSO–ATL route.

Better than the Delta Air Lines network average.

DL 3018 arrived on time 96% of the time, versus 81% across the Delta Air Lines network.

Ticking up lately.

DL 3018 arrived on time 96% 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
  • Mon96%(49 flights)
  • Tue92%(49 flights)
  • Wed98%(50 flights)
  • Thu96%(52 flights)
  • Fri98%(51 flights)
  • Sat98%(48 flights)
  • Sun94%(51 flights)
On-time by departure window
  • 3–6 AM96%(300 flights)
  • 6–9 AM98%(50 flights)
On-time trend by month
100%
May

Jun 100% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%29
July 202594%31
August 202597%31
September 2025100%30
October 202597%30
November 2025100%29
December 202597%29
January 202692%25
February 202689%27
March 202687%30
April 2026100%29
May 2026100%30
Departures on time
95%
Diverted
0%
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.