OO4992
OO4992 (SkyWest Airlines) is a multi-stop service on 16 routes, busiest Phoenix to Tucson. Of 585 departures recorded from October 2024 to July 2026, 78.5% left on time, according to the US BTS.
- On-time departures78.5%of 585 flights
- Average delay14.3 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.5%
- Legs flown under this number16
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 | 9 | 22 | ▲ 144.4% |
| February | 14 | 27 | ▲ 92.9% |
| March | 28 | 7 | ▼ 75.0% |
| April | 30 | 44 | ▲ 46.7% |
| May | 31 | 47 | ▲ 51.6% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 29 | – | – |
| October | 12 | – | in progress |
| November | 24 | – | – |
| December | 12 | – | – |
| Year to date (Jan–Jul) | 173 | 208 | ▲ 20.2% |
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% | 57.1% | ▼ 42.9% |
| February | 78.6% | 73.1% | ▼ 7.0% |
| March | 71.4% | 66.7% | ▼ 6.7% |
| April | 86.7% | 88.6% | ▲ 2.3% |
| May | 70.0% | 76.6% | ▲ 9.4% |
| June | 80.0% | 86.2% | ▲ 7.8% |
| July | 77.4% | 87.1% | ▲ 12.5% |
| August | 64.5% | – | – |
| September | 92.9% | – | – |
| October | 100.0% | – | in progress |
| November | 73.9% | – | – |
| December | 36.4% | – | – |
| Year-to-date average (Jan–Jul) | 80.6% | 76.5% | ▼ 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 | 1 | – |
| February | 0 | 1 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 1 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 4 | ▲ 300.0% |
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 98.5% 576
- Cancelled 1.5% 9
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 |
|---|---|---|---|---|
| PHX TUS Phoenix Sky Harbor International Airport – Tucson International Airport | 178 | 4.5 min | 83.7% | 147 |
| DFW AUS Dallas Fort Worth International Airport – Austin Bergstrom International Airport | 306 | 11.7 min | 79.6% | 133 |
| TUS PHX Tucson International Airport – Phoenix Sky Harbor International Airport | 178 | 20.8 min | 86.5% | 37 |
| ORD OKC Chicago O'Hare International Airport – OKC Will Rogers World Airport | 1,114 | 35.7 min | 59.4% | 34 |
| ORD LEX Chicago O'Hare International Airport – Blue Grass Airport | 521 | 58.4 min | 64.5% | 32 |
| ATL ORD Hartsfield Jackson Atlanta International Airport – Chicago O'Hare International Airport | 976 | 0.6 min | 93.6% | 32 |
| DFW FLG Dallas Fort Worth International Airport – Flagstaff Pulliam Airport | 1,370 | 14.3 min | 73.3% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 79.0% | 0 |
| November 2024 | 51 | 50 | 74.0% | 1 |
| December 2024 | 26 | 26 | 92.3% | 0 |
| January 2025 | 9 | 9 | 100.0% | 0 |
| February 2025 | 14 | 14 | 78.6% | 0 |
| March 2025 | 28 | 28 | 71.4% | 0 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 31 | 30 | 70.0% | 1 |
| June 2025 | 30 | 30 | 80.0% | 0 |
| July 2025 | 31 | 31 | 77.4% | 0 |
| August 2025 | 31 | 31 | 64.5% | 0 |
| September 2025 | 29 | 28 | 92.9% | 1 |
| October 2025 | 12 | 12 | 100.0% | 0 |
| November 2025 | 24 | 23 | 73.9% | 1 |
| December 2025 | 12 | 11 | 36.4% | 1 |
| January 2026 | 22 | 21 | 57.1% | 1 |
| February 2026 | 27 | 26 | 73.1% | 1 |
| March 2026 | 7 | 6 | 66.7% | 1 |
| April 2026 | 44 | 44 | 88.6% | 0 |
| May 2026 | 47 | 47 | 76.6% | 0 |
| June 2026 | 30 | 29 | 86.2% | 1 |
| July 2026 | 31 | 31 | 87.1% | 0 |