Flight Reliability
DL 1011 · Delta Air Lines
Atlanta → Hartford (ATL–BDL)
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
- Mon60%(50 flights)
- Tue78%(50 flights)
- Wed81%(52 flights)
- Thu73%(52 flights)
- Fri64%(50 flights)
- Sat75%(47 flights)
- Sun63%(49 flights)
- 6–9 PM79%(29 flights)
- 9 PM–12 AM70%(321 flights)
62%
May
Jun 52% → May 62% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 52% | 29 |
| July 2025 | 36% | 28 |
| August 2025 | 74% | 31 |
| September 2025 | 93% | 30 |
| October 2025 | 87% | 30 |
| November 2025 | 68% | 28 |
| December 2025 | 52% | 29 |
| January 2026 | 67% | 30 |
| February 2026 | 77% | 26 |
| March 2026 | 90% | 30 |
| April 2026 | 87% | 30 |
| May 2026 | 62% | 29 |
- Departures on time
- 73%
- Diverted
- 0.3%
- Flights flown
- 350
- Months covered
- 12
Same route, other flights
Keep nerding
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.