OO5799
OO5799 (SkyWest Airlines) is a multi-stop service on 5 routes, busiest Milwaukee to Chicago. Of 580 departures recorded from October 2024 to July 2026, 87.4% left on time, according to the US BTS.
- On-time departures87.4%of 580 flights
- Average delay9.0 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.9%
- Legs flown under this number5
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 | 6 | 30 | ▲ 400.0% |
| February | 16 | 27 | ▲ 68.8% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 23 | ▼ 25.8% |
| June | 30 | 1 | ▼ 96.7% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 175 | 173 | ▼ 1.1% |
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 | 83.3% | 83.3% | 0.0% |
| February | 60.0% | 92.6% | ▲ 54.3% |
| March | 66.7% | 89.3% | ▲ 33.9% |
| April | 96.7% | 92.6% | ▼ 4.2% |
| May | 93.6% | 100.0% | ▲ 6.9% |
| June | 93.3% | 100.0% | ▲ 7.1% |
| July | 93.3% | 80.7% | ▼ 13.6% |
| August | 80.0% | – | – |
| September | 93.3% | – | – |
| October | 87.1% | – | in progress |
| November | 100.0% | – | – |
| December | 67.7% | – | – |
| Year-to-date average (Jan–Jul) | 83.8% | 91.2% | ▲ 8.8% |
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 | 1 | 0 | ▼ 100.0% |
| March | 1 | 3 | ▲ 200.0% |
| April | 0 | 3 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 6 | ▲ 100.0% |
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 98.1% 569
- Cancelled 1.9% 11
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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MKE ORD General Mitchell International Airport – Chicago O'Hare International Airport | 108 | 7.1 min | 88.8% | 500 |
| PHX LAX Phoenix Sky Harbor International Airport – Los Angeles International Airport | 595 | -3.1 min | 96.9% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 29 | 29 | 89.7% | 0 |
| December 2024 | 31 | 31 | 87.1% | 0 |
| January 2025 | 6 | 6 | 83.3% | 0 |
| February 2025 | 16 | 15 | 60.0% | 1 |
| March 2025 | 31 | 30 | 66.7% | 1 |
| April 2025 | 30 | 30 | 96.7% | 0 |
| May 2025 | 31 | 31 | 93.6% | 0 |
| June 2025 | 30 | 30 | 93.3% | 0 |
| July 2025 | 31 | 30 | 93.3% | 1 |
| August 2025 | 31 | 30 | 80.0% | 1 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 31 | 31 | 87.1% | 0 |
| November 2025 | 29 | 28 | 100.0% | 1 |
| December 2025 | 31 | 31 | 67.7% | 0 |
| January 2026 | 30 | 30 | 83.3% | 0 |
| February 2026 | 27 | 27 | 92.6% | 0 |
| March 2026 | 31 | 28 | 89.3% | 3 |
| April 2026 | 30 | 27 | 92.6% | 3 |
| May 2026 | 23 | 23 | 100.0% | 0 |
| June 2026 | 1 | 1 | 100.0% | 0 |
| July 2026 | 31 | 31 | 80.7% | 0 |