OO6519
OO6519 (SkyWest Airlines) is a multi-stop service on 9 routes, busiest Oklahoma City to Chicago. Of 530 departures recorded from April 2025 to July 2026, 76.5% left on time, according to the US BTS.
- On-time departures76.5%of 530 flights
- Average delay19.5 min
- July 202631▲ 0.0%vs July 2025
- Cancelled4.5%
- Legs flown under this number9
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 54 | – |
| February | – | 44 | – |
| March | – | 44 | – |
| April | 54 | 10 | ▼ 81.5% |
| May | 60 | – | – |
| June | 34 | 27 | ▼ 20.6% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 15 | – | – |
| October | 27 | – | in progress |
| November | 29 | – | – |
| December | 39 | – | – |
according to the US BTS · April 2025 → July 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 periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 77.3% | – |
| February | – | 65.0% | – |
| March | – | 69.1% | – |
| April | 74.1% | 80.0% | ▲ 8.0% |
| May | 95.0% | – | – |
| June | 76.5% | 61.5% | ▼ 19.5% |
| July | 80.7% | 66.7% | ▼ 17.3% |
| August | 76.7% | – | – |
| September | 86.7% | – | – |
| October | 77.8% | – | in progress |
| November | 92.9% | – | – |
| December | 65.7% | – | – |
according to the US BTS · April 2025 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · April 2025 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 10 | – |
| February | – | 4 | – |
| March | – | 2 | – |
| April | 0 | 0 | – |
| May | 0 | – | – |
| June | 0 | 1 | – |
| July | 0 | 1 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 4 | – | – |
according to the US BTS · April 2025 → 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 95.5% 506
- Cancelled 4.5% 24
Share of all recorded flights in the period, all legs. · Apr 4, 2025 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| OKC ORD OKC Will Rogers World Airport – Chicago O'Hare International Airport | 1,114 | 16.9 min | 74.2% | 161 |
| LAX ASE Los Angeles International Airport – Aspen-Pitkin County Airport (Sardy Field) | 1,185 | 9.9 min | 69.6% | 87 |
| ASE LAX Aspen-Pitkin County Airport (Sardy Field) – Los Angeles International Airport | 1,185 | 59.2 min | 71.1% | 87 |
| FSD ORD Sioux Falls Regional Airport – Chicago O'Hare International Airport | 743 | 17.5 min | 86.1% | 45 |
| ORD DSM Chicago O'Hare International Airport – Des Moines International Airport | 480 | 7.9 min | 74.2% | 31 |
| DSM ORD Des Moines International Airport – Chicago O'Hare International Airport | 480 | 21.6 min | 74.2% | 31 |
| SJC PHX Mineta San Jose International Airport – Phoenix Sky Harbor International Airport | 999 | -5.8 min | 96.7% | 30 |
| PHX SJC Phoenix Sky Harbor International Airport – Mineta San Jose International Airport | 999 | -0.2 min | 93.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| April 2025 | 54 | 54 | 74.1% | 0 |
| May 2025 | 60 | 60 | 95.0% | 0 |
| June 2025 | 34 | 34 | 76.5% | 0 |
| July 2025 | 31 | 31 | 80.7% | 0 |
| August 2025 | 31 | 30 | 76.7% | 1 |
| September 2025 | 15 | 15 | 86.7% | 0 |
| October 2025 | 27 | 27 | 77.8% | 0 |
| November 2025 | 29 | 28 | 92.9% | 1 |
| December 2025 | 39 | 35 | 65.7% | 4 |
| January 2026 | 54 | 44 | 77.3% | 10 |
| February 2026 | 44 | 40 | 65.0% | 4 |
| March 2026 | 44 | 42 | 69.1% | 2 |
| April 2026 | 10 | 10 | 80.0% | 0 |
| June 2026 | 27 | 26 | 61.5% | 1 |
| July 2026 | 31 | 30 | 66.7% | 1 |