DL998
DL998 (Delta Air Lines) is a multi-stop service on 6 routes, busiest San Antonio to Atlanta. Of 641 departures recorded from October 2024 to July 2026, 90.4% left on time, according to the US BTS.
- On-time departures90.4%of 641 flights
- Average delay4.4 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.3%
- Legs flown under this number6
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 | 31 | 27 | ▼ 12.9% |
| February | 28 | 31 | ▲ 10.7% |
| March | 31 | 32 | ▲ 3.2% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 17 | – | – |
| Year to date (Jan–Jul) | 212 | 212 | 0.0% |
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 | 90.3% | 76.9% | ▼ 14.8% |
| February | 89.3% | 78.6% | ▼ 12.0% |
| March | 93.6% | 93.8% | ▲ 0.2% |
| April | 93.3% | 96.7% | ▲ 3.6% |
| May | 90.3% | 80.0% | ▼ 11.4% |
| June | 93.1% | 93.1% | 0.0% |
| July | 90.3% | 83.3% | ▼ 7.7% |
| August | 96.8% | – | – |
| September | 96.7% | – | – |
| October | 96.8% | – | in progress |
| November | 100.0% | – | – |
| December | 88.2% | – | – |
| Year-to-date average (Jan–Jul) | 91.5% | 86.0% | ▼ 5.9% |
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 | 1 | – |
| February | 0 | 3 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 1 | 1 | 0.0% |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 7 | ▲ 600.0% |
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 98.8% 633
- Cancelled 1.2% 8
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SAT ATL San Antonio International Airport – Hartsfield Jackson Atlanta International Airport | 1,405 | 3.6 min | 92.5% | 429 |
| MIA LGA Miami International Airport – LaGuardia Airport | 1,768 | 3.4 min | 88.5% | 78 |
| MIA BOS Miami International Airport – Boston Logan International Airport | 2,028 | 9.8 min | 78.0% | 62 |
| SFO ATL San Francisco International Airport – Hartsfield Jackson Atlanta International Airport | 3,435 | 16.7 min | 81.6% | 38 |
| MCO DTW Orlando International Airport – Detroit Metropolitan Wayne County Airport | 1,544 | -7.9 min | 100.0% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 29 | 29 | 75.9% | 0 |
| January 2025 | 31 | 31 | 90.3% | 0 |
| February 2025 | 28 | 28 | 89.3% | 0 |
| March 2025 | 31 | 31 | 93.6% | 0 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 31 | 31 | 90.3% | 0 |
| June 2025 | 30 | 29 | 93.1% | 1 |
| July 2025 | 31 | 31 | 90.3% | 0 |
| August 2025 | 31 | 31 | 96.8% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 31 | 31 | 96.8% | 0 |
| November 2025 | 29 | 29 | 100.0% | 0 |
| December 2025 | 17 | 17 | 88.2% | 0 |
| January 2026 | 27 | 26 | 76.9% | 1 |
| February 2026 | 31 | 28 | 78.6% | 3 |
| March 2026 | 32 | 32 | 93.8% | 0 |
| April 2026 | 30 | 30 | 96.7% | 0 |
| May 2026 | 31 | 30 | 80.0% | 1 |
| June 2026 | 30 | 29 | 93.1% | 1 |
| July 2026 | 31 | 30 | 83.3% | 1 |