Flight profile · Delta Air Lines
DL322
Boston (BOS) to Atlanta (ATL) · scheduled 2:00 PM – 4:45 PM
How DL322 performs
1,084 operations, 2023-07-01 to 2026-06-30.
DL322 arrived on time 81.9% of the time, against 78.8% for all BOS → ATL flights — this specific departure is 3.1 percentage points better than the route as a whole.
Source: US DOT Bureau of Transportation Statistics · 1,084 operations between 2023-07-01 to 2026-06-30
Against the rest of the route
| On time | Cancelled | Median delay | Severe | Flights | |
|---|---|---|---|---|---|
| DL322 | 81.9% | 0.46% | -8 min | 5.7% | 1,084 |
| Delta Air Lines on BOS → ATL | 82.3% | 1.06% | -9 min | 6.4% | 10,882 |
| All BOS → ATL flights | 78.8% | 1.32% | -8 min | 7.8% | 15,002 |
Source: FlyerIntel analysis of US DOT BTS data · 2023-07-01 to 2026-06-30
By day of week
Does DL322 run worse on particular days?
Wednesday is historically the most reliable day and Sunday the least, a gap of 13.8 percentage points.
Source: FlyerIntel analysis of US DOT BTS data · 2023-07-01 to 2026-06-30 · Days with fewer than 120 operations are not scored.
Other routes DL322 has flown
A flight number is a slot in a schedule, and carriers reassign it. These are the other city pairs this number served in the analysis period.
| Route | Operated | Flights | On time |
|---|---|---|---|
| SLC→BOS Salt Lake City to Boston | 2025-02-15 – 2025-03-08 | 4 | — |
Because the same number has served different journeys, the statistics above describe only the route DL322 currently operates. Blending them would produce an average of two different flights.
Why DL322 runs late
Where US DOT attributed the delay minutes on this flight.
crew, maintenance, boarding, fuelling — within the carrier’s control
the inbound aircraft was late, so this flight started late
airspace and airport capacity, including weather-driven flow control
weather severe enough to stop this flight specifically
Share of the delay minutes US DOT attributed to each cause for DL322 on BOS → ATL. A single late flight can carry more than one cause, and only delays of fifteen minutes or more are attributed at all.
Other departures on BOS → ATL
Same airports, same journey — and not the same odds of arriving on time.
| Flight | Airline | On time | Median arrival | Operations |
|---|---|---|---|---|
| DL695 | Delta Air Lines | 90.4% | 13 min early | 1,095 |
| DL456 | Delta Air Lines | 87.6% | 10 min early | 1,074 |
| DL923 | Delta Air Lines | 85.6% | 11 min early | 1,025 |
| DL376 | Delta Air Lines | 85.0% | 9 min early | 807 |
| DL385 | Delta Air Lines | 82.7% | 9 min early | 1,044 |
| DL973 | Delta Air Lines | 82.6% | 7 min early | 901 |
| B61097 | JetBlue | 81.8% | 10 min early | 875 |
| DL638 | Delta Air Lines | 76.0% | 4 min early | 844 |
Every departure listed carries at least 600 operations, so the comparison is between figures that mean something. Schedules change; confirm the departure still operates before booking around this.
Data and methodology
Calculated by FlyerIntel from 1,084 records of DL322 operating BOS → ATL, published by the US DOT Bureau of Transportation Statistics. A flight counts as delayed when it arrives 15 or more minutes after schedule. Cancelled and diverted flights are excluded from the on-time rate and reported separately. Flight numbers are resolved as carrier plus number plus route, because the same number serves different routes over time.
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