OO4700
OO4700 (SkyWest Airlines) is a multi-stop service on 20 routes, busiest Chicago to Harrisburg. Of 633 departures recorded from October 2024 to July 2026, 88.0% left on time, according to the US BTS.
- On-time departures88.0%of 633 flights
- Average delay9.0 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.1%
- Legs flown under this number20
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 | 22 | ▼ 21.4% |
| March | 27 | 30 | ▲ 11.1% |
| April | 23 | 30 | ▲ 30.4% |
| May | 31 | 31 | 0.0% |
| June | 30 | 26 | ▼ 13.3% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 30 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 201 | 201 | 0.0% |
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 | 93.6% | 80.7% | ▼ 13.8% |
| February | 92.9% | 86.4% | ▼ 7.0% |
| March | 96.0% | 76.7% | ▼ 20.1% |
| April | 78.3% | 93.3% | ▲ 19.3% |
| May | 90.3% | 87.1% | ▼ 3.6% |
| June | 79.3% | 79.2% | ▼ 0.2% |
| July | 93.6% | 96.8% | ▲ 3.4% |
| August | 87.1% | – | – |
| September | 93.3% | – | – |
| October | 93.3% | – | in progress |
| November | 82.1% | – | – |
| December | 71.0% | – | – |
| Year-to-date average (Jan–Jul) | 89.1% | 85.7% | ▼ 3.8% |
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 | 0 | 0 | – |
| March | 2 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 2 | ▲ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 2 | ▼ 33.3% |
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 98.9% 626
- Cancelled 1.1% 7
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD MDT Chicago O'Hare International Airport – Harrisburg International Airport | 954 | 11.5 min | 84.9% | 143 |
| DSM DEN Des Moines International Airport – Denver International Airport | 947 | 7.8 min | 94.7% | 96 |
| MSO DEN Missoula Montana Airport – Denver International Airport | 1,092 | 20.1 min | 84.4% | 77 |
| DEN SLC Denver International Airport – Salt Lake City International Airport | 628 | 1.6 min | 91.2% | 68 |
| DEN ASE Denver International Airport – Aspen-Pitkin County Airport (Sardy Field) | 201 | 2.7 min | 92.5% | 53 |
| LAX ASE Los Angeles International Airport – Aspen-Pitkin County Airport (Sardy Field) | 1,185 | 4.1 min | 94.6% | 37 |
| BOI DEN Boise Air Terminal/Gowen Field – Denver International Airport | 1,042 | 1.4 min | 88.9% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 30 | 30 | 93.3% | 0 |
| December 2024 | 29 | 29 | 93.1% | 0 |
| January 2025 | 31 | 31 | 93.6% | 0 |
| February 2025 | 28 | 28 | 92.9% | 0 |
| March 2025 | 27 | 25 | 96.0% | 2 |
| April 2025 | 23 | 23 | 78.3% | 0 |
| May 2025 | 31 | 31 | 90.3% | 0 |
| June 2025 | 30 | 29 | 79.3% | 1 |
| July 2025 | 31 | 31 | 93.6% | 0 |
| August 2025 | 31 | 31 | 87.1% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 30 | 30 | 93.3% | 0 |
| November 2025 | 30 | 28 | 82.1% | 2 |
| December 2025 | 31 | 31 | 71.0% | 0 |
| January 2026 | 31 | 31 | 80.7% | 0 |
| February 2026 | 22 | 22 | 86.4% | 0 |
| March 2026 | 30 | 30 | 76.7% | 0 |
| April 2026 | 30 | 30 | 93.3% | 0 |
| May 2026 | 31 | 31 | 87.1% | 0 |
| June 2026 | 26 | 24 | 79.2% | 2 |
| July 2026 | 31 | 31 | 96.8% | 0 |