Flight Reliability
DL 323 · Delta Air Lines
Atlanta → New York (ATL–LGA)
84
Pretty Reliable
WanderNerd Reliability Score
- 91%
- Arrive within 15 minutes
- 5 min early
- Average arrival delay
- 3.0%
- Cancelled
- 9 min early
- Median arrival delay
Based on 336 historical flights. Data through May 2026.
What the data says
Skip Wednesday if you can.
DL 323 arrived on time 96% of the time on Sundays. On Wednesdays: 86%.
Well ahead of the ATL–LGA route.
DL 323 arrived on time 91% of the time, versus 73% across the ATL–LGA route.
Better than the Delta Air Lines network average.
DL 323 arrived on time 91% of the time, versus 81% across the Delta Air Lines network.
Keep a backup plan handy.
DL 323 was cancelled 3.0% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon88%(49 flights)
- Tue92%(50 flights)
- Wed86%(49 flights)
- Thu94%(48 flights)
- Fri90%(50 flights)
- Sat90%(29 flights)
- Sun96%(49 flights)
90%
May
Jun 90% → May 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 90% | 30 |
| July 2025 | 89% | 27 |
| August 2025 | 97% | 30 |
| September 2025 | 100% | 30 |
| October 2025 | 89% | 28 |
| November 2025 | 92% | 26 |
| December 2025 | 83% | 24 |
| January 2026 | 92% | 24 |
| February 2026 | 96% | 22 |
| March 2026 | 89% | 26 |
| April 2026 | 82% | 27 |
| May 2026 | 90% | 30 |
- Departures on time
- 91%
- Diverted
- 0.6%
- Flights flown
- 324
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 336 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.