Flight profile · Delta Air Lines
DL331
Atlanta (ATL) to Los Angeles (LAX) · scheduled 9:30 PM – 10:49 PM
How DL331 performs
760 operations, 2023-09-10 to 2026-06-28.
DL331 arrived on time 71.2% of the time, against 77.3% for all ATL → LAX flights — this specific departure is 6.1 percentage points worse than the route as a whole. Against Delta Air Lines’s own flights on this route it is 6.9 points worse.
Source: US DOT Bureau of Transportation Statistics · 760 operations between 2023-09-10 to 2026-06-28
Against the rest of the route
| On time | Cancelled | Median delay | Severe | Flights | |
|---|---|---|---|---|---|
| DL331 | 71.2% | 1.84% | -3 min | 8.4% | 760 |
| Delta Air Lines on ATL → LAX | 78.0% | 0.67% | -4 min | 6.0% | 11,839 |
| All ATL → LAX flights | 77.3% | 0.84% | -4 min | 6.7% | 15,880 |
Source: FlyerIntel analysis of US DOT BTS data · 2023-09-10 to 2026-06-28
Other routes DL331 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 |
|---|---|---|---|
| DFW→ATL Dallas–Fort Worth to Atlanta | 2026-06-02 – 2026-06-06 | 5 | — |
| ATL→ICT Atlanta to Wichita | 2025-12-21 – 2026-01-04 | 9 | — |
| ICT→ATL Wichita to Atlanta | 2025-12-21 – 2026-01-04 | 9 | — |
| MSP→DEN Minneapolis to Denver | 2025-12-19 – 2025-12-20 | 2 | — |
| STL→DTW St. Louis to Detroit | 2025-08-25 – 2025-09-10 | 14 | — |
| JFK→DTW New York to Detroit | 2025-08-16 – 2025-08-30 | 3 | — |
| ATL→MIA Atlanta to Miami | 2025-05-10 – 2025-06-07 | 5 | — |
| FLL→MSP Fort Lauderdale to Minneapolis | 2024-11-10 – 2024-11-10 | 1 | — |
| MSP→FLL Minneapolis to Fort Lauderdale | 2024-11-08 – 2024-11-08 | 1 | — |
| SEA→ANC Seattle to Anchorage | 2023-07-01 – 2023-09-04 | 65 | — |
Because the same number has served different journeys, the statistics above describe only the route DL331 currently operates. Blending them would produce an average of two different flights.
Data and methodology
Calculated by FlyerIntel from 760 records of DL331 operating ATL → LAX, 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.