Flight Reliability
DL 2527 · Delta Air Lines
Atlanta → Newark (ATL–EWR)
49
Bring Snacks
WanderNerd Reliability Score
- 61%
- Arrive within 15 minutes
- 23 min
- Average arrival delay
- 3.1%
- Cancelled
- 5 min
- Median arrival delay
Based on 326 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
DL 2527 departing between 9 PM–12 AM arrived on time 75% of the time, versus 55% between 6–9 PM.
Thursdays have been rough.
DL 2527 arrived on time 72% of the time on Tuesdays and just 52% on Thursdays. That gap is worth planning around.
Lagging the ATL–EWR route.
DL 2527 arrived on time 61% of the time, versus 73% across the ATL–EWR route.
Well behind the Delta Air Lines network.
DL 2527 arrived on time 61% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon60%(48 flights)
- Tue72%(43 flights)
- Wed61%(43 flights)
- Thu52%(48 flights)
- Fri64%(44 flights)
- Sat64%(44 flights)
- Sun56%(45 flights)
- 6–9 PM55%(218 flights)
- 9 PM–12 AM75%(97 flights)
79%
May
Jun 32% → May 79% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 32% | 28 |
| July 2025 | 32% | 28 |
| August 2025 | 58% | 31 |
| September 2025 | 73% | 30 |
| October 2025 | 63% | 27 |
| November 2025 | 56% | 25 |
| December 2025 | 56% | 18 |
| January 2026 | 65% | 20 |
| February 2026 | 63% | 19 |
| March 2026 | 63% | 30 |
| April 2026 | 87% | 30 |
| May 2026 | 79% | 29 |
- Departures on time
- 65%
- Diverted
- 0.3%
- Flights flown
- 315
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 326 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.