OO4899
OO4899 (SkyWest Airlines) is a multi-stop service on 23 routes, busiest Phoenix to Tucson. Of 578 departures recorded from October 2024 to June 2026, 82.0% left on time, according to the US BTS.
- On-time departures82.0%of 578 flights
- Average delay10.1 min
- June 20266▼ 80.0%vs June 2025
- Cancelled2.8%
- Legs flown under this number23
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 52 | – | – |
| February | 40 | 42 | ▲ 5.0% |
| March | 31 | 24 | ▼ 22.6% |
| April | 27 | 26 | ▼ 3.7% |
| May | 30 | 41 | ▲ 36.7% |
| June | 30 | 6 | ▼ 80.0% |
| July | 31 | – | – |
| August | 21 | – | – |
| September | 29 | – | – |
| October | 5 | – | in progress |
| November | 27 | – | – |
| December | 18 | – | – |
according to the US BTS · October 2024 → June 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 81.3% | – | – |
| February | 90.0% | 81.0% | ▼ 10.1% |
| March | 82.1% | 54.6% | ▼ 33.6% |
| April | 100.0% | 88.5% | ▼ 11.5% |
| May | 86.7% | 87.5% | ▲ 1.0% |
| June | 70.0% | 100.0% | ▲ 42.9% |
| July | 90.3% | – | – |
| August | 68.4% | – | – |
| September | 67.9% | – | – |
| October | 100.0% | – | in progress |
| November | 100.0% | – | – |
| December | 100.0% | – | – |
according to the US BTS · October 2024 → June 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → June 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 4 | – | – |
| February | 0 | 0 | – |
| March | 3 | 2 | ▼ 33.3% |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | – | – |
| August | 2 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
according to the US BTS · October 2024 → June 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 97.2% 562
- Cancelled 2.8% 16
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jun 3, 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 | 10.7 min | 78.7% | 95 |
| DFW OKC Dallas Fort Worth International Airport – OKC Will Rogers World Airport | 282 | -5.9 min | 100.0% | 44 |
| GRR ORD Gerald R. Ford International Airport – Chicago O'Hare International Airport | 220 | 3.0 min | 87.8% | 42 |
| LBB DFW Lubbock Preston Smith International Airport – Dallas Fort Worth International Airport | 453 | 5.8 min | 80.6% | 37 |
| DFW LBB Dallas Fort Worth International Airport – Lubbock Preston Smith International Airport | 453 | 4.3 min | 85.7% | 37 |
| OMA PHX Eppley Airfield – Phoenix Sky Harbor International Airport | 1,667 | -8.0 min | 100.0% | 32 |
| MEM ORD Frederick W. Smith International Airport – Chicago O'Hare International Airport | 792 | 16.0 min | 86.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 77.5% | 0 |
| November 2024 | 33 | 33 | 63.6% | 0 |
| December 2024 | 25 | 24 | 79.2% | 1 |
| January 2025 | 52 | 48 | 81.3% | 4 |
| February 2025 | 40 | 40 | 90.0% | 0 |
| March 2025 | 31 | 28 | 82.1% | 3 |
| April 2025 | 27 | 27 | 100.0% | 0 |
| May 2025 | 30 | 30 | 86.7% | 0 |
| June 2025 | 30 | 30 | 70.0% | 0 |
| July 2025 | 31 | 31 | 90.3% | 0 |
| August 2025 | 21 | 19 | 68.4% | 2 |
| September 2025 | 29 | 28 | 67.9% | 1 |
| October 2025 | 5 | 5 | 100.0% | 0 |
| November 2025 | 27 | 25 | 100.0% | 2 |
| December 2025 | 18 | 18 | 100.0% | 0 |
| February 2026 | 42 | 42 | 81.0% | 0 |
| March 2026 | 24 | 22 | 54.6% | 2 |
| April 2026 | 26 | 26 | 88.5% | 0 |
| May 2026 | 41 | 40 | 87.5% | 1 |
| June 2026 | 6 | 6 | 100.0% | 0 |