DL492
DL492 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Detroit to San Diego. Of 1,221 departures recorded from October 2024 to July 2026, 87.6% left on time, according to the US BTS.
- On-time departures87.6%of 1,221 flights
- Average delay6.9 min
- July 202662▲ 0.0%vs July 2025
- Cancelled0.6%
- Legs flown under this number2
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 57 | 58 | ▲ 1.8% |
| February | 56 | 56 | 0.0% |
| March | 62 | 38 | ▼ 38.7% |
| April | 60 | 30 | ▼ 50.0% |
| May | 62 | 56 | ▼ 9.7% |
| June | 60 | 60 | 0.0% |
| July | 62 | 62 | 0.0% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 59 | – | – |
| December | 50 | – | – |
| Year to date (Jan–Jul) | 419 | 360 | ▼ 14.1% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 84.2% | 81.0% | ▼ 3.8% |
| February | 78.6% | 85.2% | ▲ 8.4% |
| March | 88.7% | 91.7% | ▲ 3.3% |
| April | 88.3% | 90.0% | ▲ 1.9% |
| May | 93.6% | 94.6% | ▲ 1.2% |
| June | 95.0% | 90.0% | ▼ 5.3% |
| July | 83.9% | 72.6% | ▼ 13.5% |
| August | 83.6% | – | – |
| September | 88.3% | – | – |
| October | 96.8% | – | in progress |
| November | 84.8% | – | – |
| December | 85.4% | – | – |
| Year-to-date average (Jan–Jul) | 87.5% | 86.4% | ▼ 1.2% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 2 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 0 | 4 |
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 99.4% 1,214
- Cancelled 0.6% 7
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DTW SAN Detroit Metropolitan Wayne County Airport – San Diego International Airport | 3,142 | 4.4 min | 89.9% | 658 |
| SAN DTW San Diego International Airport – Detroit Metropolitan Wayne County Airport | 3,142 | 9.8 min | 84.8% | 563 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 100.0% | 0 |
| November 2024 | 60 | 60 | 90.0% | 0 |
| December 2024 | 49 | 49 | 85.7% | 0 |
| January 2025 | 57 | 57 | 84.2% | 0 |
| February 2025 | 56 | 56 | 78.6% | 0 |
| March 2025 | 62 | 62 | 88.7% | 0 |
| April 2025 | 60 | 60 | 88.3% | 0 |
| May 2025 | 62 | 62 | 93.6% | 0 |
| June 2025 | 60 | 60 | 95.0% | 0 |
| July 2025 | 62 | 62 | 83.9% | 0 |
| August 2025 | 62 | 61 | 83.6% | 1 |
| September 2025 | 60 | 60 | 88.3% | 0 |
| October 2025 | 62 | 62 | 96.8% | 0 |
| November 2025 | 59 | 59 | 84.8% | 0 |
| December 2025 | 50 | 48 | 85.4% | 2 |
| January 2026 | 58 | 58 | 81.0% | 0 |
| February 2026 | 56 | 54 | 85.2% | 2 |
| March 2026 | 38 | 36 | 91.7% | 2 |
| April 2026 | 30 | 30 | 90.0% | 0 |
| May 2026 | 56 | 56 | 94.6% | 0 |
| June 2026 | 60 | 60 | 90.0% | 0 |
| July 2026 | 62 | 62 | 72.6% | 0 |