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Flight Reliability

DL 4912 · Delta Air Lines

DHN → Atlanta (DHN–ATL)

88
Pretty Reliable
WanderNerd Reliability Score
85%
Arrive within 15 minutes
10 min
Average arrival delay
1.4%
Cancelled
13 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Tuesdays have been rough.

DL 4912 arrived on time 96% of the time on Wednesdays and just 77% on Tuesdays. That gap is worth planning around.

A bit ahead of the DHN–ATL route.

DL 4912 arrived on time 85% of the time, versus 81% across the DHN–ATL route.

A bit ahead of the Delta Air Lines network.

DL 4912 arrived on time 85% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon81%(52 flights)
  • Tue77%(52 flights)
  • Wed96%(51 flights)
  • Thu85%(52 flights)
  • Fri84%(51 flights)
  • Sat88%(51 flights)
  • Sun86%(51 flights)
On-time trend by month
87%
May

Jun 79% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%28
July 202590%31
August 202581%31
September 202590%30
October 202594%31
November 202593%29
December 202587%31
January 202677%30
February 202686%28
March 202681%31
April 202680%30
May 202687%30
Departures on time
89%
Diverted
0%
Flights flown
360
Months covered
12

Same route, other flights

Keep nerding

Based on 365 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.