OO4902
OO4902 (SkyWest Airlines) is a multi-stop service on 20 routes, busiest Chicago to Richmond. Of 579 departures recorded from October 2024 to May 2026, 74.3% left on time, according to the US BTS.
- On-time departures74.3%of 579 flights
- Average delay27.6 min
- May 202620▼ 35.5%vs May 2025
- Cancelled2.8%
- Legs flown under this number20
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 28 | 26 | ▼ 7.1% |
| February | 28 | 28 | 0.0% |
| March | 33 | 8 | ▼ 75.8% |
| April | 33 | 24 | ▼ 27.3% |
| May | 31 | 20 | ▼ 35.5% |
| June | 30 | – | – |
| July | 27 | – | – |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 30 | – | in progress |
| November | 29 | – | – |
| December | 18 | – | – |
| Year to date (Jan–May) | 153 | 106 | ▼ 30.7% |
according to the US BTS · October 2024 → May 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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 92.3% | 50.0% | ▼ 45.8% |
| February | 70.4% | 64.3% | ▼ 8.6% |
| March | 62.5% | 87.5% | ▲ 40.0% |
| April | 87.5% | 95.8% | ▲ 9.5% |
| May | 80.7% | 95.0% | ▲ 17.8% |
| June | 20.0% | – | – |
| July | 33.3% | – | – |
| August | 83.3% | – | – |
| September | 86.2% | – | – |
| October | 50.0% | – | in progress |
| November | 92.6% | – | – |
| December | 73.3% | – | – |
| Year-to-date average (Jan–May) | 78.7% | 78.5% | ▼ 0.2% |
according to the US BTS · October 2024 → May 2026
Average departure delay by month
according to the US BTS · October 2024 → May 2026
Cancelled departures by month
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 2 | 0.0% |
| February | 1 | 0 | ▼ 100.0% |
| March | 1 | 0 | ▼ 100.0% |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | – | – |
| July | 3 | – | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 3 | – | – |
| Year to date (Jan–May) | 5 | 2 | ▼ 60.0% |
according to the US BTS · October 2024 → May 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% 563
- Cancelled 2.8% 16
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → May 20, 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 |
|---|---|---|---|---|
| ORD RIC Chicago O'Hare International Airport – Richmond International Airport | 1,032 | 73.3 min | 36.2% | 121 |
| MAF DFW Midland International Air and Space Port – Dallas Fort Worth International Airport | 496 | 8.7 min | 93.2% | 75 |
| RIC ORD Richmond International Airport – Chicago O'Hare International Airport | 1,032 | 37.1 min | 85.0% | 45 |
| SEA LAX Seattle–Tacoma International Airport – Los Angeles International Airport | 1,537 | 6.6 min | 80.6% | 36 |
| DFW SHV Dallas Fort Worth International Airport – Shreveport Regional Airport | 305 | 3.7 min | 84.4% | 33 |
| ORD BHM Chicago O'Hare International Airport – Birmingham-Shuttlesworth International Airport | 941 | 10.2 min | 77.4% | 31 |
| TUS PHX Tucson International Airport – Phoenix Sky Harbor International Airport | 178 | 43.3 min | 60.0% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 85.0% | 0 |
| November 2024 | 33 | 33 | 87.9% | 0 |
| December 2024 | 53 | 53 | 84.9% | 0 |
| January 2025 | 28 | 26 | 92.3% | 2 |
| February 2025 | 28 | 27 | 70.4% | 1 |
| March 2025 | 33 | 32 | 62.5% | 1 |
| April 2025 | 33 | 32 | 87.5% | 1 |
| May 2025 | 31 | 31 | 80.7% | 0 |
| June 2025 | 30 | 30 | 20.0% | 0 |
| July 2025 | 27 | 24 | 33.3% | 3 |
| August 2025 | 30 | 30 | 83.3% | 0 |
| September 2025 | 30 | 29 | 86.2% | 1 |
| October 2025 | 30 | 30 | 50.0% | 0 |
| November 2025 | 29 | 27 | 92.6% | 2 |
| December 2025 | 18 | 15 | 73.3% | 3 |
| January 2026 | 26 | 24 | 50.0% | 2 |
| February 2026 | 28 | 28 | 64.3% | 0 |
| March 2026 | 8 | 8 | 87.5% | 0 |
| April 2026 | 24 | 24 | 95.8% | 0 |
| May 2026 | 20 | 20 | 95.0% | 0 |