OO4903
OO4903 (SkyWest Airlines) is a multi-stop service on 14 routes, busiest Los Angeles to Tucson. Of 742 departures recorded from October 2024 to July 2026, 84.6% left on time, according to the US BTS.
- On-time departures84.6%of 742 flights
- Average delay8.7 min
- July 202618▼ 35.7%vs July 2025
- Cancelled1.4%
- Legs flown under this number14
according to the US BTS · Oct 12, 2024 → Jul 28, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 56 | 26 | ▼ 53.6% |
| February | 48 | 28 | ▼ 41.7% |
| March | 32 | 31 | ▼ 3.1% |
| April | 29 | 26 | ▼ 10.3% |
| May | 30 | 38 | ▲ 26.7% |
| June | 29 | 60 | ▲ 106.9% |
| July | 28 | 18 | ▼ 35.7% |
| August | 53 | – | – |
| September | 32 | – | – |
| October | 30 | – | in progress |
| November | 29 | – | – |
| December | 18 | – | – |
| Year to date (Jan–Jul) | 252 | 227 | ▼ 9.9% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 80.4% | 92.3% | ▲ 14.9% |
| February | 91.7% | 78.6% | ▼ 14.3% |
| March | 83.9% | 87.1% | ▲ 3.9% |
| April | 93.1% | 88.5% | ▼ 5.0% |
| May | 80.0% | 79.0% | ▼ 1.3% |
| June | 93.1% | 67.9% | ▼ 27.0% |
| July | 81.5% | 61.1% | ▼ 25.0% |
| August | 100.0% | – | – |
| September | 93.8% | – | – |
| October | 76.7% | – | in progress |
| November | 86.2% | – | – |
| December | 88.9% | – | – |
| Year-to-date average (Jan–Jul) | 86.2% | 79.2% | ▼ 8.1% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 7 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 7 | ▲ 250.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 98.7% 732
- Cancelled 1.3% 10
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 28, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAX TUS Los Angeles International Airport – Tucson International Airport | 725 | 2.7 min | 84.8% | 191 |
| TVC ORD Cherry Capital Airport – Chicago O'Hare International Airport | 360 | 31.7 min | 76.7% | 108 |
| PHX SBA Phoenix Sky Harbor International Airport – Santa Barbara Municipal Airport | 731 | 9.6 min | 86.6% | 97 |
| SJC PHX Mineta San Jose International Airport – Phoenix Sky Harbor International Airport | 999 | -1.6 min | 93.7% | 63 |
| PHX SJC Phoenix Sky Harbor International Airport – Mineta San Jose International Airport | 999 | 2.3 min | 88.9% | 63 |
| ORD TVC Chicago O'Hare International Airport – Cherry Capital Airport | 360 | 10.7 min | 72.3% | 50 |
| PHX FLG Phoenix Sky Harbor International Airport – Flagstaff Pulliam Airport | 192 | 5.9 min | 84.2% | 39 |
| DFW SBN Dallas Fort Worth International Airport – South Bend International Airport | 1,361 | 6.3 min | 93.9% | 33 |
| LAX SAT Los Angeles International Airport – San Antonio International Airport | 1,945 | -2.1 min | 90.0% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 82.5% | 0 |
| November 2024 | 33 | 32 | 81.3% | 1 |
| December 2024 | 28 | 28 | 89.3% | 0 |
| January 2025 | 56 | 56 | 80.4% | 0 |
| February 2025 | 48 | 48 | 91.7% | 0 |
| March 2025 | 32 | 31 | 83.9% | 1 |
| April 2025 | 29 | 29 | 93.1% | 0 |
| May 2025 | 30 | 30 | 80.0% | 0 |
| June 2025 | 29 | 29 | 93.1% | 0 |
| July 2025 | 28 | 27 | 81.5% | 1 |
| August 2025 | 53 | 53 | 100.0% | 0 |
| September 2025 | 32 | 32 | 93.8% | 0 |
| October 2025 | 30 | 30 | 76.7% | 0 |
| November 2025 | 29 | 29 | 86.2% | 0 |
| December 2025 | 18 | 18 | 88.9% | 0 |
| January 2026 | 26 | 26 | 92.3% | 0 |
| February 2026 | 28 | 28 | 78.6% | 0 |
| March 2026 | 31 | 31 | 87.1% | 0 |
| April 2026 | 26 | 26 | 88.5% | 0 |
| May 2026 | 38 | 38 | 79.0% | 0 |
| June 2026 | 60 | 53 | 67.9% | 7 |
| July 2026 | 18 | 18 | 61.1% | 0 |