OO4909
OO4909 (SkyWest Airlines) is a multi-stop service on 13 routes, busiest Los Angeles to Tucson. Of 768 departures recorded from October 2024 to July 2026, 71.7% left on time, according to the US BTS.
- On-time departures71.7%of 768 flights
- Average delay22.1 min
- July 202662▲ 100.0%vs July 2025
- Cancelled3.0%
- Legs flown under this number13
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 | 31 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 57 | 30 | ▼ 47.4% |
| May | 34 | 42 | ▲ 23.5% |
| June | 30 | 60 | ▲ 100.0% |
| July | 31 | 62 | ▲ 100.0% |
| August | 37 | – | – |
| September | 28 | – | – |
| October | 30 | – | in progress |
| November | 30 | – | – |
| December | 30 | – | – |
| Year to date (Jan–Jul) | 242 | 284 | ▲ 17.4% |
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 | 61.3% | 87.1% | ▲ 42.1% |
| February | 53.6% | 78.6% | ▲ 46.7% |
| March | 58.1% | 80.7% | ▲ 38.9% |
| April | 82.1% | 62.1% | ▼ 24.4% |
| May | 61.8% | 71.4% | ▲ 15.7% |
| June | 41.4% | 51.9% | ▲ 25.5% |
| July | 69.0% | 64.8% | ▼ 6.0% |
| August | 97.3% | – | – |
| September | 89.3% | – | – |
| October | 56.7% | – | in progress |
| November | 82.8% | – | – |
| December | 69.0% | – | – |
| Year-to-date average (Jan–Jul) | 61.0% | 70.9% | ▲ 16.2% |
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 | 0 | – |
| March | 0 | 0 | – |
| April | 1 | 1 | 0.0% |
| May | 0 | 0 | – |
| June | 1 | 8 | ▲ 700.0% |
| July | 2 | 8 | ▲ 300.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 4 | 17 | ▲ 325.0% |
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 97.0% 745
- Cancelled 3.0% 23
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAX TUS Los Angeles International Airport – Tucson International Airport | 725 | 18.2 min | 74.3% | 298 |
| ORD CLE Chicago O'Hare International Airport – Cleveland Hopkins International Airport | 507 | 27.7 min | 58.5% | 134 |
| ORD CVG Chicago O'Hare International Airport – Cincinnati Northern Kentucky International Airport | 425 | 19.8 min | 71.2% | 105 |
| CLE ORD Cleveland Hopkins International Airport – Chicago O'Hare International Airport | 507 | 31.6 min | 59.4% | 72 |
| CVG ORD Cincinnati Northern Kentucky International Airport – Chicago O'Hare International Airport | 425 | 26.7 min | 77.4% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 28 | 28 | 89.3% | 0 |
| November 2024 | 28 | 28 | 96.4% | 0 |
| December 2024 | 31 | 31 | 80.7% | 0 |
| January 2025 | 31 | 31 | 61.3% | 0 |
| February 2025 | 28 | 28 | 53.6% | 0 |
| March 2025 | 31 | 31 | 58.1% | 0 |
| April 2025 | 57 | 56 | 82.1% | 1 |
| May 2025 | 34 | 34 | 61.8% | 0 |
| June 2025 | 30 | 29 | 41.4% | 1 |
| July 2025 | 31 | 29 | 69.0% | 2 |
| August 2025 | 37 | 37 | 97.3% | 0 |
| September 2025 | 28 | 28 | 89.3% | 0 |
| October 2025 | 30 | 30 | 56.7% | 0 |
| November 2025 | 30 | 29 | 82.8% | 1 |
| December 2025 | 30 | 29 | 69.0% | 1 |
| January 2026 | 31 | 31 | 87.1% | 0 |
| February 2026 | 28 | 28 | 78.6% | 0 |
| March 2026 | 31 | 31 | 80.7% | 0 |
| April 2026 | 30 | 29 | 62.1% | 1 |
| May 2026 | 42 | 42 | 71.4% | 0 |
| June 2026 | 60 | 52 | 51.9% | 8 |
| July 2026 | 62 | 54 | 64.8% | 8 |