OO5536
OO5536 (SkyWest Airlines) is a multi-stop service on 12 routes, busiest Chicago to Springfield. Of 507 departures recorded from October 2024 to July 2026, 86.2% left on time, according to the US BTS.
- On-time departures86.2%of 507 flights
- Average delay8.0 min
- July 202631▲ 93.8%vs July 2025
- Cancelled1.2%
- 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 | 30 | 6 | ▼ 80.0% |
| February | 28 | 1 | ▼ 96.4% |
| March | 29 | 27 | ▼ 6.9% |
| April | 24 | 30 | ▲ 25.0% |
| May | 20 | 31 | ▲ 55.0% |
| June | 18 | 30 | ▲ 66.7% |
| July | 16 | 31 | ▲ 93.8% |
| August | 15 | – | – |
| September | 24 | – | – |
| October | 6 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 165 | 156 | ▼ 5.5% |
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 | 100.0% | 83.3% | ▼ 16.7% |
| February | 89.3% | 100.0% | ▲ 12.0% |
| March | 79.3% | 84.6% | ▲ 6.7% |
| April | 95.8% | 76.7% | ▼ 20.0% |
| May | 80.0% | 83.9% | ▲ 4.8% |
| June | 83.3% | 96.7% | ▲ 16.0% |
| July | 75.0% | 80.7% | ▲ 7.5% |
| August | 85.7% | – | – |
| September | 87.5% | – | – |
| October | 83.3% | – | in progress |
| November | 93.1% | – | – |
| December | 83.9% | – | – |
| Year-to-date average (Jan–Jul) | 86.1% | 86.5% | ▲ 0.5% |
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 | 3 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 1 | ▼ 66.7% |
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 98.8% 501
- Cancelled 1.2% 6
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD SGF Chicago O'Hare International Airport – Springfield Branson National Airport | 705 | 9.0 min | 84.3% | 109 |
| MKE DEN General Mitchell International Airport – Denver International Airport | 1,438 | 5.5 min | 90.3% | 72 |
| COS DEN City of Colorado Springs Municipal Airport – Denver International Airport | 117 | 4.8 min | 88.7% | 72 |
| ORD SAT Chicago O'Hare International Airport – San Antonio International Airport | 1,677 | 10.1 min | 80.6% | 67 |
| IAH TUS George Bush Intercontinental Airport – Tucson International Airport | 1,503 | 5.9 min | 94.6% | 58 |
| IAH SHV George Bush Intercontinental Airport – Shreveport Regional Airport | 309 | 31.2 min | 78.8% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 86.7% | 0 |
| December 2024 | 30 | 30 | 83.3% | 0 |
| January 2025 | 30 | 27 | 100.0% | 3 |
| February 2025 | 28 | 28 | 89.3% | 0 |
| March 2025 | 29 | 29 | 79.3% | 0 |
| April 2025 | 24 | 24 | 95.8% | 0 |
| May 2025 | 20 | 20 | 80.0% | 0 |
| June 2025 | 18 | 18 | 83.3% | 0 |
| July 2025 | 16 | 16 | 75.0% | 0 |
| August 2025 | 15 | 14 | 85.7% | 1 |
| September 2025 | 24 | 24 | 87.5% | 0 |
| October 2025 | 6 | 6 | 83.3% | 0 |
| November 2025 | 30 | 29 | 93.1% | 1 |
| December 2025 | 31 | 31 | 83.9% | 0 |
| January 2026 | 6 | 6 | 83.3% | 0 |
| February 2026 | 1 | 1 | 100.0% | 0 |
| March 2026 | 27 | 26 | 84.6% | 1 |
| April 2026 | 30 | 30 | 76.7% | 0 |
| May 2026 | 31 | 31 | 83.9% | 0 |
| June 2026 | 30 | 30 | 96.7% | 0 |
| July 2026 | 31 | 31 | 80.7% | 0 |