DL1977
DL1977 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Tallahassee to Atlanta. Of 263 departures recorded from June 2025 to July 2026, 93.1% left on time, according to the US BTS.
- On-time departures93.1%of 263 flights
- Average delay0.7 min
- July 202631▲ 14.8%vs July 2025
- Cancelled0.8%
- Legs flown under this number2
Recorded departures by month
Short series — DL1977 has only 10 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods10 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | 26 | – |
| June | 20 | 30 | ▲ 50.0% |
| July | 27 | 31 | ▲ 14.8% |
| August | 26 | – | – |
| September | 29 | – | – |
| October | 31 | – | in progress |
| November | 26 | – | – |
| December | 17 | – | – |
according to the US BTS · June 2025 → July 2026
On-time departures by month
Short series — DL1977 has only 10 months so far. Enough to show the level now, not enough to read a trend.
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 periods10 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | 80.8% | – |
| June | 89.5% | 96.7% | ▲ 8.0% |
| July | 100.0% | 96.8% | ▼ 3.2% |
| August | 92.3% | – | – |
| September | 93.1% | – | – |
| October | 93.6% | – | in progress |
| November | 96.2% | – | – |
| December | 87.5% | – | – |
according to the US BTS · June 2025 → July 2026
Average departure delay by month
Short series — DL1977 has only 10 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
according to the US BTS · June 2025 → July 2026
Cancelled departures by month
Short series — DL1977 has only 10 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods10 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
according to the US BTS · June 2025 → 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 99.2% 261
- Cancelled 0.8% 2
Share of all recorded flights in the period, all legs. · Jun 8, 2025 → 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 |
|---|---|---|---|---|
| TLH ATL Tallahassee International Airport – Hartsfield Jackson Atlanta International Airport | 360 | -0.0 min | 93.7% | 176 |
| TPA SLC Tampa International Airport – Salt Lake City International Airport | 3,034 | 2.2 min | 92.0% | 87 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| June 2025 | 20 | 19 | 89.5% | 1 |
| July 2025 | 27 | 27 | 100.0% | 0 |
| August 2025 | 26 | 26 | 92.3% | 0 |
| September 2025 | 29 | 29 | 93.1% | 0 |
| October 2025 | 31 | 31 | 93.6% | 0 |
| November 2025 | 26 | 26 | 96.2% | 0 |
| December 2025 | 17 | 16 | 87.5% | 1 |
| May 2026 | 26 | 26 | 80.8% | 0 |
| June 2026 | 30 | 30 | 96.7% | 0 |
| July 2026 | 31 | 31 | 96.8% | 0 |