OO5516
OO5516 (SkyWest Airlines) is a multi-stop service on 15 routes, busiest Grand Rapids to Chicago. Of 446 departures recorded from October 2024 to July 2026, 72.1% left on time, according to the US BTS.
- On-time departures72.1%of 446 flights
- Average delay19.2 min
- July 202621▲ 425.0%vs July 2025
- Cancelled2.9%
- Legs flown under this number15
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 | 29 | ▼ 6.5% |
| February | 14 | 24 | ▲ 71.4% |
| March | 25 | 26 | ▲ 4.0% |
| April | 21 | 5 | ▼ 76.2% |
| May | 30 | 6 | ▼ 80.0% |
| June | 19 | 30 | ▲ 57.9% |
| July | 4 | 21 | ▲ 425.0% |
| August | 4 | – | – |
| September | 27 | – | – |
| October | 29 | – | in progress |
| November | 23 | – | – |
| December | 21 | – | – |
| Year to date (Jan–Jul) | 144 | 141 | ▼ 2.1% |
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 | 86.2% | 59.3% | ▼ 31.3% |
| February | 78.6% | 54.2% | ▼ 31.1% |
| March | 76.0% | 72.0% | ▼ 5.3% |
| April | 90.5% | 80.0% | ▼ 11.6% |
| May | 80.0% | 50.0% | ▼ 37.5% |
| June | 79.0% | 76.7% | ▼ 2.9% |
| July | 75.0% | 57.9% | ▼ 22.8% |
| August | 100.0% | – | – |
| September | 74.1% | – | – |
| October | 62.1% | – | in progress |
| November | 60.0% | – | – |
| December | 52.6% | – | – |
| Year-to-date average (Jan–Jul) | 80.7% | 64.3% | ▼ 20.4% |
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 | 2 | 2 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 2 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 3 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 2 | 5 | ▲ 150.0% |
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 97.1% 433
- Cancelled 2.9% 13
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| GRR ORD Gerald R. Ford International Airport – Chicago O'Hare International Airport | 220 | 17.9 min | 71.7% | 176 |
| SBP SFO San Luis County Regional Airport – San Francisco International Airport | 307 | 16.6 min | 67.3% | 52 |
| ORD ABE Chicago O'Hare International Airport – Lehigh Valley International Airport | 1,050 | 38.4 min | 50.0% | 36 |
| SAV ORD Savannah Hilton Head International Airport – Chicago O'Hare International Airport | 1,246 | 0.8 min | 90.0% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 80.0% | 0 |
| November 2024 | 24 | 24 | 79.2% | 0 |
| December 2024 | 13 | 13 | 76.9% | 0 |
| January 2025 | 31 | 29 | 86.2% | 2 |
| February 2025 | 14 | 14 | 78.6% | 0 |
| March 2025 | 25 | 25 | 76.0% | 0 |
| April 2025 | 21 | 21 | 90.5% | 0 |
| May 2025 | 30 | 30 | 80.0% | 0 |
| June 2025 | 19 | 19 | 79.0% | 0 |
| July 2025 | 4 | 4 | 75.0% | 0 |
| August 2025 | 4 | 3 | 100.0% | 1 |
| September 2025 | 27 | 27 | 74.1% | 0 |
| October 2025 | 29 | 29 | 62.1% | 0 |
| November 2025 | 23 | 20 | 60.0% | 3 |
| December 2025 | 21 | 19 | 52.6% | 2 |
| January 2026 | 29 | 27 | 59.3% | 2 |
| February 2026 | 24 | 24 | 54.2% | 0 |
| March 2026 | 26 | 25 | 72.0% | 1 |
| April 2026 | 5 | 5 | 80.0% | 0 |
| May 2026 | 6 | 6 | 50.0% | 0 |
| June 2026 | 30 | 30 | 76.7% | 0 |
| July 2026 | 21 | 19 | 57.9% | 2 |