OO4900
OO4900 (SkyWest Airlines) is a multi-stop service on 18 routes, busiest Tucson to Phoenix. Of 618 departures recorded from October 2024 to July 2026, 77.9% left on time, according to the US BTS.
- On-time departures77.9%of 618 flights
- Average delay20.6 min
- July 202631▲ 0.0%vs July 2025
- Cancelled2.1%
- Legs flown under this number18
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 | 4 | 17 | ▲ 325.0% |
| February | 16 | 24 | ▲ 50.0% |
| March | 34 | 31 | ▼ 8.8% |
| April | 30 | 54 | ▲ 80.0% |
| May | 31 | 51 | ▲ 64.5% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 21 | – | – |
| September | 29 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 22 | – | – |
| Year to date (Jan–Jul) | 176 | 238 | ▲ 35.2% |
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% | 94.1% | ▼ 5.9% |
| February | 80.0% | 83.3% | ▲ 4.2% |
| March | 48.3% | 83.9% | ▲ 73.7% |
| April | 93.3% | 75.9% | ▼ 18.6% |
| May | 96.8% | 86.3% | ▼ 10.9% |
| June | 90.0% | 90.0% | 0.0% |
| July | 100.0% | 93.6% | ▼ 6.5% |
| August | 52.6% | – | – |
| September | 62.1% | – | – |
| October | 77.4% | – | in progress |
| November | 61.5% | – | – |
| December | 33.3% | – | – |
| Year-to-date average (Jan–Jul) | 86.9% | 86.7% | ▼ 0.2% |
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 | 1 | 0 | ▼ 100.0% |
| March | 5 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 3 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 6 | 0 | ▼ 100.0% |
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 97.9% 605
- Cancelled 2.1% 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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| TUS PHX Tucson International Airport – Phoenix Sky Harbor International Airport | 178 | 6.2 min | 90.1% | 272 |
| ORD RIC Chicago O'Hare International Airport – Richmond International Airport | 1,032 | 47.2 min | 52.1% | 50 |
| ORD FWA Chicago O'Hare International Airport – Fort Wayne International Airport | 252 | 81.2 min | 43.9% | 45 |
| PHX TUS Phoenix Sky Harbor International Airport – Tucson International Airport | 178 | 14.5 min | 81.8% | 44 |
| PHX TUL Phoenix Sky Harbor International Airport – Tulsa International Airport | 1,501 | 5.6 min | 90.0% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 65.0% | 0 |
| November 2024 | 11 | 10 | 50.0% | 1 |
| December 2024 | 21 | 21 | 76.2% | 0 |
| January 2025 | 4 | 4 | 100.0% | 0 |
| February 2025 | 16 | 15 | 80.0% | 1 |
| March 2025 | 34 | 29 | 48.3% | 5 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 31 | 31 | 96.8% | 0 |
| June 2025 | 30 | 30 | 90.0% | 0 |
| July 2025 | 31 | 31 | 100.0% | 0 |
| August 2025 | 21 | 19 | 52.6% | 2 |
| September 2025 | 29 | 29 | 62.1% | 0 |
| October 2025 | 31 | 31 | 77.4% | 0 |
| November 2025 | 29 | 26 | 61.5% | 3 |
| December 2025 | 22 | 21 | 33.3% | 1 |
| January 2026 | 17 | 17 | 94.1% | 0 |
| February 2026 | 24 | 24 | 83.3% | 0 |
| March 2026 | 31 | 31 | 83.9% | 0 |
| April 2026 | 54 | 54 | 75.9% | 0 |
| May 2026 | 51 | 51 | 86.3% | 0 |
| June 2026 | 30 | 30 | 90.0% | 0 |
| July 2026 | 31 | 31 | 93.6% | 0 |