DL488
DL488 (Delta Air Lines) is a multi-stop service on 14 routes, busiest Atlanta to Portland. Of 562 departures recorded from October 2024 to July 2026, 71.9% left on time, according to the US BTS.
- On-time departures71.9%of 562 flights
- Average delay22.2 min
- July 202661▲ 0.0%vs July 2025
- Cancelled2.7%
- Legs flown under this number14
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 27 | – |
| February | – | 11 | – |
| March | – | 48 | – |
| April | – | 32 | – |
| May | 25 | 31 | ▲ 24.0% |
| June | 53 | 54 | ▲ 1.9% |
| July | 61 | 61 | 0.0% |
| August | 26 | – | – |
| September | 22 | – | – |
| October | 27 | – | in progress |
| November | 16 | – | – |
| December | – | – | – |
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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 92.0% | – |
| February | – | 100.0% | – |
| March | – | 72.7% | – |
| April | – | 81.3% | – |
| May | 60.0% | 53.3% | ▼ 11.1% |
| June | 54.7% | 76.9% | ▲ 40.6% |
| July | 57.6% | 42.1% | ▼ 26.9% |
| August | 76.9% | – | – |
| September | 90.9% | – | – |
| October | 96.3% | – | in progress |
| November | 81.3% | – | – |
| December | – | – | – |
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 periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 2 | – |
| February | – | 0 | – |
| March | – | 4 | – |
| April | – | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 2 | – |
| July | 2 | 4 | ▲ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | – | – | – |
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 97.3% 547
- Cancelled 2.7% 15
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATL PWM Hartsfield Jackson Atlanta International Airport – Portland International Jetport | 1,652 | 17.9 min | 66.4% | 123 |
| PWM ATL Portland International Jetport – Hartsfield Jackson Atlanta International Airport | 1,652 | 56.1 min | 49.6% | 121 |
| DSM ATL Des Moines International Airport – Hartsfield Jackson Atlanta International Airport | 1,195 | 3.5 min | 94.1% | 68 |
| CHS DTW Charleston International Airport – Detroit Metropolitan Wayne County Airport | 1,076 | -8.9 min | 97.9% | 47 |
| ATL DEN Hartsfield Jackson Atlanta International Airport – Denver International Airport | 1,927 | 1.0 min | 94.4% | 38 |
| SFO ATL San Francisco International Airport – Hartsfield Jackson Atlanta International Airport | 3,435 | 34.7 min | 65.6% | 32 |
| SFO JFK San Francisco International Airport – John F. Kennedy International Airport | 4,152 | 36.8 min | 54.8% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 30 | 30 | 93.3% | 0 |
| December 2024 | 18 | 18 | 94.4% | 0 |
| May 2025 | 25 | 25 | 60.0% | 0 |
| June 2025 | 53 | 53 | 54.7% | 0 |
| July 2025 | 61 | 59 | 57.6% | 2 |
| August 2025 | 26 | 26 | 76.9% | 0 |
| September 2025 | 22 | 22 | 90.9% | 0 |
| October 2025 | 27 | 27 | 96.3% | 0 |
| November 2025 | 16 | 16 | 81.3% | 0 |
| January 2026 | 27 | 25 | 92.0% | 2 |
| February 2026 | 11 | 11 | 100.0% | 0 |
| March 2026 | 48 | 44 | 72.7% | 4 |
| April 2026 | 32 | 32 | 81.3% | 0 |
| May 2026 | 31 | 30 | 53.3% | 1 |
| June 2026 | 54 | 52 | 76.9% | 2 |
| July 2026 | 61 | 57 | 42.1% | 4 |