Flight profile · Delta Air Lines
DL721
Santa Ana (SNA) to Atlanta (ATL) · scheduled 6:45 AM – 1:53 PM
How DL721 performs
754 operations, 2024-06-07 to 2026-06-30.
DL721 arrived on time 84.4% of the time, against 82.7% for all SNA → ATL flights — this specific departure is 1.7 percentage points better than the route as a whole. Against Delta Air Lines’s own flights on this route it is 1.7 points better.
Source: US DOT Bureau of Transportation Statistics · 754 operations between 2024-06-07 to 2026-06-30
Against the rest of the route
| On time | Cancelled | Median delay | Severe | Flights | |
|---|---|---|---|---|---|
| DL721 | 84.4% | 0.93% | -4 min | 6.3% | 754 |
| Delta Air Lines on SNA → ATL | 82.7% | 0.93% | -8 min | 6.6% | 3,115 |
| All SNA → ATL flights | 82.7% | 0.93% | -8 min | 6.6% | 3,115 |
Source: FlyerIntel analysis of US DOT BTS data · 2024-06-07 to 2026-06-30
Other routes DL721 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 |
|---|---|---|---|
| SAT→DTW San Antonio to Detroit | 2024-05-09 – 2024-06-06 | 16 | — |
| GRR→MSP Grand Rapids to Minneapolis | 2024-05-11 – 2024-06-01 | 5 | — |
| MSP→GRR Minneapolis to Grand Rapids | 2024-05-11 – 2024-06-01 | 5 | — |
| FLL→DTW Fort Lauderdale to Detroit | 2024-03-10 – 2024-05-06 | 58 | — |
| PHL→MSP Philadelphia to Minneapolis | 2024-01-08 – 2024-03-09 | 62 | — |
| ATL→PBI Atlanta to West Palm Beach | 2023-12-16 – 2023-12-30 | 13 | — |
| PBI→ATL West Palm Beach to Atlanta | 2023-12-17 – 2023-12-30 | 12 | — |
| ATL→PHX Atlanta to Phoenix | 2023-11-13 – 2023-12-15 | 33 | — |
| PHX→ATL Phoenix to Atlanta | 2023-11-13 – 2023-12-15 | 33 | — |
| MSP→ANC Minneapolis to Anchorage | 2023-09-05 – 2023-11-04 | 61 | — |
| ANC→MSP Anchorage to Minneapolis | 2023-09-05 – 2023-11-04 | 61 | — |
| ATL→DEN Atlanta to Denver | 2023-07-01 – 2023-09-04 | 56 | — |
| DEN→ATL Denver to Atlanta | 2023-07-01 – 2023-09-04 | 56 | — |
Because the same number has served different journeys, the statistics above describe only the route DL721 currently operates. Blending them would produce an average of two different flights.
Data and methodology
Calculated by FlyerIntel from 754 records of DL721 operating SNA → 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.