DL2172
DL2172 (Delta Air Lines) is a multi-stop service on 8 routes, busiest Detroit to San Diego. Of 581 departures recorded from October 2024 to July 2026, 86.2% left on time, according to the US BTS.
- On-time departures86.2%of 581 flights
- Average delay3.9 min
- July 202624▼ 55.6%vs July 2025
- Cancelled0.5%
- Legs flown under this number8
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 3 | ▲ 50.0% |
| February | – | 17 | – |
| March | 23 | 7 | ▼ 69.6% |
| April | 25 | 16 | ▼ 36.0% |
| May | 24 | 25 | ▲ 4.2% |
| June | 47 | 23 | ▼ 51.1% |
| July | 54 | 24 | ▼ 55.6% |
| August | 51 | – | – |
| September | 42 | – | – |
| October | 54 | – | in progress |
| November | 48 | – | – |
| December | 38 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 66.7% | ▼ 33.3% |
| February | – | 82.4% | – |
| March | 68.2% | 100.0% | ▲ 46.7% |
| April | 83.3% | 75.0% | ▼ 10.0% |
| May | 91.7% | 100.0% | ▲ 9.1% |
| June | 89.4% | 87.0% | ▼ 2.7% |
| July | 81.5% | 87.5% | ▲ 7.4% |
| August | 90.2% | – | – |
| September | 90.2% | – | – |
| October | 90.7% | – | in progress |
| November | 81.3% | – | – |
| December | 71.1% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · October 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.5% 578
- Cancelled 0.5% 3
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DTW SAN Detroit Metropolitan Wayne County Airport – San Diego International Airport | 3,142 | 4.8 min | 87.0% | 232 |
| SAN DTW San Diego International Airport – Detroit Metropolitan Wayne County Airport | 3,142 | 2.4 min | 86.6% | 217 |
| LAS DTW Harry Reid International Airport – Detroit Metropolitan Wayne County Airport | 2,808 | 2.9 min | 91.7% | 60 |
| TPA LGA Tampa International Airport – LaGuardia Airport | 1,628 | 11.8 min | 70.6% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 70.0% | 0 |
| November 2024 | 20 | 20 | 100.0% | 0 |
| December 2024 | 28 | 28 | 96.4% | 0 |
| January 2025 | 2 | 2 | 100.0% | 0 |
| March 2025 | 23 | 22 | 68.2% | 1 |
| April 2025 | 25 | 24 | 83.3% | 1 |
| May 2025 | 24 | 24 | 91.7% | 0 |
| June 2025 | 47 | 47 | 89.4% | 0 |
| July 2025 | 54 | 54 | 81.5% | 0 |
| August 2025 | 51 | 51 | 90.2% | 0 |
| September 2025 | 42 | 41 | 90.2% | 1 |
| October 2025 | 54 | 54 | 90.7% | 0 |
| November 2025 | 48 | 48 | 81.3% | 0 |
| December 2025 | 38 | 38 | 71.1% | 0 |
| January 2026 | 3 | 3 | 66.7% | 0 |
| February 2026 | 17 | 17 | 82.4% | 0 |
| March 2026 | 7 | 7 | 100.0% | 0 |
| April 2026 | 16 | 16 | 75.0% | 0 |
| May 2026 | 25 | 25 | 100.0% | 0 |
| June 2026 | 23 | 23 | 87.0% | 0 |
| July 2026 | 24 | 24 | 87.5% | 0 |