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WanderNerd

Flight Reliability

DL 1011 · Delta Air Lines

Atlanta → Hartford (ATLBDL)

62
A Little Dicey
WanderNerd Reliability Score
71%
Arrive within 15 minutes
19 min
Average arrival delay
2.8%
Cancelled
2 min
Median arrival delay

Based on 361 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

DL 1011 departing between 6–9 PM arrived on time 79% of the time, versus 70% between 9 PM–12 AM.

Mondays have been rough.

DL 1011 arrived on time 81% of the time on Wednesdays and just 60% on Mondays. That gap is worth planning around.

Lagging the ATL–BDL route.

DL 1011 arrived on time 71% of the time, versus 78% across the ATL–BDL route.

Lagging the Delta Air Lines network.

DL 1011 arrived on time 71% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon60%(50 flights)
  • Tue78%(50 flights)
  • Wed81%(52 flights)
  • Thu73%(52 flights)
  • Fri64%(50 flights)
  • Sat75%(47 flights)
  • Sun63%(49 flights)
On-time by departure window
  • 6–9 PM79%(29 flights)
  • 9 PM–12 AM70%(321 flights)
On-time trend by month
62%
May

Jun 52% → May 62% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202552%29
July 202536%28
August 202574%31
September 202593%30
October 202587%30
November 202568%28
December 202552%29
January 202667%30
February 202677%26
March 202690%30
April 202687%30
May 202662%29
Departures on time
73%
Diverted
0.3%
Flights flown
350
Months covered
12

Based on 361 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.