OO5427
OO5427 (SkyWest Airlines) is a multi-stop service on 13 routes, busiest Chicago to Peoria. Of 532 departures recorded from October 2024 to July 2026, 81.8% left on time, according to the US BTS.
- On-time departures81.8%of 532 flights
- Average delay11.0 min
- July 202619▼ 38.7%vs July 2025
- Cancelled0.8%
- 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 | 8 | ▼ 74.2% |
| February | 28 | 3 | ▼ 89.3% |
| March | 31 | 7 | ▼ 77.4% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 19 | ▼ 38.7% |
| August | 31 | – | – |
| September | 24 | – | – |
| October | 7 | – | in progress |
| November | 29 | – | – |
| December | 20 | – | – |
| Year to date (Jan–Jul) | 212 | 128 | ▼ 39.6% |
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 | 67.7% | 25.0% | ▼ 63.1% |
| February | 78.6% | 100.0% | ▲ 27.3% |
| March | 71.0% | 71.4% | ▲ 0.6% |
| April | 86.7% | 86.2% | ▼ 0.5% |
| May | 87.1% | 93.6% | ▲ 7.4% |
| June | 73.3% | 93.3% | ▲ 27.3% |
| July | 77.4% | 100.0% | ▲ 29.2% |
| August | 71.0% | – | – |
| September | 95.8% | – | – |
| October | 71.4% | – | in progress |
| November | 84.6% | – | – |
| December | 70.0% | – | – |
| Year-to-date average (Jan–Jul) | 77.4% | 81.4% | ▲ 5.1% |
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 | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 3 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 1 |
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 99.2% 528
- Cancelled 0.8% 4
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD PIA Chicago O'Hare International Airport – General Wayne A. Downing Peoria International Airport | 209 | 10.8 min | 78.7% | 296 |
| FCA LAX Glacier Park International Airport – Los Angeles International Airport | 1,634 | 3.1 min | 95.0% | 60 |
| ORD LNK Chicago O'Hare International Airport – Lincoln Airport | 749 | 2.9 min | 91.9% | 37 |
| ORD BUF Chicago O'Hare International Airport – Buffalo Niagara International Airport | 760 | 14.5 min | 78.8% | 36 |
| SFO PDX San Francisco International Airport – Portland International Airport | 886 | 13.4 min | 83.9% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 31 | 31 | 83.9% | 0 |
| January 2025 | 31 | 31 | 67.7% | 0 |
| February 2025 | 28 | 28 | 78.6% | 0 |
| March 2025 | 31 | 31 | 71.0% | 0 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 31 | 31 | 87.1% | 0 |
| June 2025 | 30 | 30 | 73.3% | 0 |
| July 2025 | 31 | 31 | 77.4% | 0 |
| August 2025 | 31 | 31 | 71.0% | 0 |
| September 2025 | 24 | 24 | 95.8% | 0 |
| October 2025 | 7 | 7 | 71.4% | 0 |
| November 2025 | 29 | 26 | 84.6% | 3 |
| December 2025 | 20 | 20 | 70.0% | 0 |
| January 2026 | 8 | 8 | 25.0% | 0 |
| February 2026 | 3 | 3 | 100.0% | 0 |
| March 2026 | 7 | 7 | 71.4% | 0 |
| April 2026 | 30 | 29 | 86.2% | 1 |
| May 2026 | 31 | 31 | 93.6% | 0 |
| June 2026 | 30 | 30 | 93.3% | 0 |
| July 2026 | 19 | 19 | 100.0% | 0 |