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Flight Reliability

DL 3020 · Delta Air Lines

Huntsville → Atlanta (HSV–ATL)

93
Nerd Approved
WanderNerd Reliability Score
96%
Arrive within 15 minutes
11 min early
Average arrival delay
2.6%
Cancelled
17 min early
Median arrival delay

Based on 352 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 6–9 AM arrived on time 97% of the time, against 94% between 3–6 AM.

Tuesday is the weak spot.

DL 3020 arrived on time 100% of the time on Thursdays. On Tuesdays: 90%.

Better than the HSV–ATL route average.

DL 3020 arrived on time 96% of the time, versus 87% across the HSV–ATL route.

Better than the Delta Air Lines network average.

DL 3020 arrived on time 96% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon96%(49 flights)
  • Tue90%(51 flights)
  • Wed96%(50 flights)
  • Thu100%(49 flights)
  • Fri96%(48 flights)
  • Sat94%(48 flights)
  • Sun98%(48 flights)
On-time by departure window
  • 3–6 AM94%(187 flights)
  • 6–9 AM97%(156 flights)
On-time trend by month
94%
May

Jun 100% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%29
July 2025100%31
August 202597%30
September 2025100%30
October 202594%31
November 202597%29
December 202593%30
January 202693%29
February 202693%28
March 202693%30
April 202693%28
May 202694%18
Departures on time
95%
Diverted
0%
Flights flown
343
Months covered
12

Same route, other flights

Keep nerding

Based on 352 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.