Flight Reliability
DL 322 · Delta Air Lines
Boston → Atlanta (BOS–ATL)
85
Pretty Reliable
WanderNerd Reliability Score
- 82%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 1.1%
- Cancelled
- 4 min early
- Median arrival delay
Based on 364 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 322 arrived on time 92% of the time on Wednesdays and just 73% on Sundays. That gap is worth planning around.
A bit ahead of the BOS–ATL route.
DL 322 arrived on time 82% of the time, versus 79% across the BOS–ATL route.
Trending in the right direction.
DL 322 arrived on time 86% of the time over the last three months in the data, compared with 72% in the three months before that.
The breakdown
- Mon78%(51 flights)
- Tue79%(52 flights)
- Wed92%(52 flights)
- Thu79%(52 flights)
- Fri90%(52 flights)
- Sat80%(49 flights)
- Sun73%(52 flights)
84%
May
Jun 79% → May 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 79% | 29 |
| July 2025 | 87% | 31 |
| August 2025 | 94% | 31 |
| September 2025 | 80% | 30 |
| October 2025 | 81% | 31 |
| November 2025 | 83% | 30 |
| December 2025 | 71% | 31 |
| January 2026 | 71% | 28 |
| February 2026 | 74% | 27 |
| March 2026 | 94% | 31 |
| April 2026 | 80% | 30 |
| May 2026 | 84% | 31 |
- Departures on time
- 83%
- Diverted
- 0%
- Flights flown
- 360
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 364 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.