DL2377
DL2377 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Salt Lake City to Chicago. Of 716 departures recorded from October 2024 to July 2026, 78.9% left on time, according to the US BTS.
- On-time departures78.9%of 716 flights
- Average delay17.1 min
- July 202631
- Cancelled0.7%
- Legs flown under this number2
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 | 27 | 44 | ▲ 63.0% |
| February | 36 | 38 | ▲ 5.6% |
| March | 32 | 52 | ▲ 62.5% |
| April | 26 | 52 | ▲ 100.0% |
| May | 50 | 54 | ▲ 8.0% |
| June | 13 | 35 | ▲ 169.2% |
| July | – | 31 | – |
| August | 17 | – | – |
| September | 26 | – | – |
| October | 26 | – | in progress |
| November | 24 | – | – |
| December | 31 | – | – |
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 | 77.8% | 81.8% | ▲ 5.2% |
| February | 75.0% | 94.7% | ▲ 26.3% |
| March | 93.8% | 76.9% | ▼ 18.0% |
| April | 84.6% | 73.1% | ▼ 13.6% |
| May | 84.0% | 73.1% | ▼ 13.0% |
| June | 61.5% | 62.9% | ▲ 2.1% |
| July | – | 73.3% | – |
| August | 76.5% | – | – |
| September | 84.6% | – | – |
| October | 84.6% | – | in progress |
| November | 72.7% | – | – |
| December | 67.7% | – | – |
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 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 2 | – |
| June | 0 | 0 | – |
| July | – | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| 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 99.3% 711
- Cancelled 0.7% 5
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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SLC ORD Salt Lake City International Airport – Chicago O'Hare International Airport | 2,006 | 9.9 min | 80.3% | 445 |
| ORD SLC Chicago O'Hare International Airport – Salt Lake City International Airport | 2,006 | 28.8 min | 76.7% | 271 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 91.7% | 0 |
| November 2024 | 35 | 35 | 85.7% | 0 |
| December 2024 | 55 | 55 | 80.0% | 0 |
| January 2025 | 27 | 27 | 77.8% | 0 |
| February 2025 | 36 | 36 | 75.0% | 0 |
| March 2025 | 32 | 32 | 93.8% | 0 |
| April 2025 | 26 | 26 | 84.6% | 0 |
| May 2025 | 50 | 50 | 84.0% | 0 |
| June 2025 | 13 | 13 | 61.5% | 0 |
| August 2025 | 17 | 17 | 76.5% | 0 |
| September 2025 | 26 | 26 | 84.6% | 0 |
| October 2025 | 26 | 26 | 84.6% | 0 |
| November 2025 | 24 | 22 | 72.7% | 2 |
| December 2025 | 31 | 31 | 67.7% | 0 |
| January 2026 | 44 | 44 | 81.8% | 0 |
| February 2026 | 38 | 38 | 94.7% | 0 |
| March 2026 | 52 | 52 | 76.9% | 0 |
| April 2026 | 52 | 52 | 73.1% | 0 |
| May 2026 | 54 | 52 | 73.1% | 2 |
| June 2026 | 35 | 35 | 62.9% | 0 |
| July 2026 | 31 | 30 | 73.3% | 1 |