OO4964
OO4964 (SkyWest Airlines) is a multi-stop service on 12 routes, busiest Nashville to Chicago. Of 696 departures recorded from October 2024 to July 2026, 75.3% left on time, according to the US BTS.
- On-time departures75.3%of 696 flights
- Average delay22.1 min
- July 202631▲ 0.0%vs July 2025
- Cancelled2.7%
- Legs flown under this number12
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 | 26 | 31 | ▲ 19.2% |
| February | 28 | 28 | 0.0% |
| March | 9 | 31 | ▲ 244.4% |
| April | 30 | 30 | 0.0% |
| May | 30 | 31 | ▲ 3.3% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 58 | – | – |
| October | 62 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 184 | 212 | ▲ 15.2% |
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 | 80.8% | 74.2% | ▼ 8.1% |
| February | 67.9% | 57.7% | ▼ 15.0% |
| March | 88.9% | 65.5% | ▼ 26.3% |
| April | 79.3% | 77.8% | ▼ 1.9% |
| May | 90.0% | 73.3% | ▼ 18.5% |
| June | 73.3% | 76.7% | ▲ 4.6% |
| July | 69.0% | 72.4% | ▲ 5.0% |
| August | 72.4% | – | – |
| September | 84.2% | – | – |
| October | 88.7% | – | in progress |
| November | 72.4% | – | – |
| December | 45.2% | – | – |
| Year-to-date average (Jan–Jul) | 78.4% | 71.1% | ▼ 9.4% |
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 | 1 | 3 | ▲ 200.0% |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 2 | 2 | 0.0% |
| August | 2 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 10 | ▲ 233.3% |
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% 677
- Cancelled 2.7% 19
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
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BNA ORD Nashville International Airport – Chicago O'Hare International Airport | 660 | 38.2 min | 72.9% | 220 |
| LAX ASE Los Angeles International Airport – Aspen-Pitkin County Airport (Sardy Field) | 1,185 | 34.8 min | 62.3% | 110 |
| ORD MLI Chicago O'Hare International Airport – Quad City International Airport | 224 | 17.0 min | 76.8% | 74 |
| SAF DFW Santa Fe Municipal Airport – Dallas Fort Worth International Airport | 885 | 4.0 min | 86.4% | 60 |
| DFW SAF Dallas Fort Worth International Airport – Santa Fe Municipal Airport | 885 | 3.8 min | 86.7% | 60 |
| SHV CLT Shreveport Regional Airport – Charlotte Douglas International Airport | 1,228 | 25.5 min | 62.8% | 44 |
| LAX ELP Los Angeles International Airport – El Paso International Airport | 1,148 | -0.8 min | 93.0% | 43 |
| PIA ORD General Wayne A. Downing Peoria International Airport – Chicago O'Hare International Airport | 209 | -4.5 min | 96.8% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 39 | 39 | 64.1% | 0 |
| November 2024 | 34 | 32 | 87.5% | 2 |
| December 2024 | 15 | 15 | 93.3% | 0 |
| January 2025 | 26 | 26 | 80.8% | 0 |
| February 2025 | 28 | 28 | 67.9% | 0 |
| March 2025 | 9 | 9 | 88.9% | 0 |
| April 2025 | 30 | 29 | 79.3% | 1 |
| May 2025 | 30 | 30 | 90.0% | 0 |
| June 2025 | 30 | 30 | 73.3% | 0 |
| July 2025 | 31 | 29 | 69.0% | 2 |
| August 2025 | 31 | 29 | 72.4% | 2 |
| September 2025 | 58 | 57 | 84.2% | 1 |
| October 2025 | 62 | 62 | 88.7% | 0 |
| November 2025 | 30 | 29 | 72.4% | 1 |
| December 2025 | 31 | 31 | 45.2% | 0 |
| January 2026 | 31 | 31 | 74.2% | 0 |
| February 2026 | 28 | 26 | 57.7% | 2 |
| March 2026 | 31 | 29 | 65.5% | 2 |
| April 2026 | 30 | 27 | 77.8% | 3 |
| May 2026 | 31 | 30 | 73.3% | 1 |
| June 2026 | 30 | 30 | 76.7% | 0 |
| July 2026 | 31 | 29 | 72.4% | 2 |