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Flight Reliability

DL 1473 · Delta Air Lines

Atlanta → GSO (ATL–GSO)89% of its flights flew this route. The rest (ATL–PNS, GSO–ATL) are included in these numbers.

66
Usually Fine
WanderNerd Reliability Score
70%
Arrive within 15 minutes
16 min
Average arrival delay
1.9%
Cancelled
5 min early
Median arrival delay

Based on 263 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

DL 1473 departing between 3–6 PM arrived on time 86% of the time, versus 59% between 9 PM–12 AM.

Tuesdays have been rough.

DL 1473 arrived on time 80% of the time on Thursdays and just 62% on Tuesdays. That gap is worth planning around.

Lagging the ATL–GSO route.

DL 1473 arrived on time 70% of the time, versus 83% across the ATL–GSO route.

Lagging the Delta Air Lines network.

DL 1473 arrived on time 70% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon64%(50 flights)
  • Tue62%(21 flights)
  • Wed76%(21 flights)
  • Thu80%(51 flights)
  • Fri72%(46 flights)
  • Sat65%(20 flights)
  • Sun69%(48 flights)
On-time by departure window
  • 3–6 PM86%(14 flights)
  • 6–9 PM70%(226 flights)
  • 9 PM–12 AM59%(17 flights)
On-time trend by month
79%
May

Jun 47% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202547%30
July 202548%31
August 202572%18
September 202583%12
October 202581%16
November 202550%10
December 202555%22
January 202678%23
February 202689%27
March 202686%21
April 202690%19
May 202679%28
Departures on time
73%
Diverted
0.4%
Flights flown
257
Months covered
12

Same route, other flights

Keep nerding

Based on 263 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.