OO5997
OO5997 (SkyWest Airlines) is a multi-stop service on 7 routes, busiest San Francisco to Sacramento. Of 459 departures recorded from February 2025 to July 2026, 81.1% left on time, according to the US BTS.
- On-time departures81.1%of 459 flights
- Average delay11.7 min
- July 202631▲ 40.9%vs July 2025
- Cancelled1.1%
- Legs flown under this number7
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 30 | – |
| February | 14 | 28 | ▲ 100.0% |
| March | 30 | 31 | ▲ 3.3% |
| April | 27 | 29 | ▲ 7.4% |
| May | 28 | 29 | ▲ 3.6% |
| June | 21 | 25 | ▲ 19.0% |
| July | 22 | 31 | ▲ 40.9% |
| August | 25 | – | – |
| September | 24 | – | – |
| October | 6 | – | in progress |
| November | 30 | – | – |
| December | 29 | – | – |
according to the US BTS · February 2025 → 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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 71.4% | – |
| February | 85.7% | 64.3% | ▼ 25.0% |
| March | 80.0% | 87.1% | ▲ 8.9% |
| April | 81.5% | 75.9% | ▼ 6.9% |
| May | 89.3% | 72.4% | ▼ 18.9% |
| June | 81.0% | 96.0% | ▲ 18.6% |
| July | 77.3% | 89.3% | ▲ 15.6% |
| August | 92.0% | – | – |
| September | 83.3% | – | – |
| October | 100.0% | – | in progress |
| November | 83.3% | – | – |
| December | 69.0% | – | – |
according to the US BTS · February 2025 → July 2026
Average departure delay by month
according to the US BTS · February 2025 → July 2026
Cancelled departures by month
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 2 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 3 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · February 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 98.9% 454
- Cancelled 1.1% 5
Share of all recorded flights in the period, all legs. · Feb 13, 2025 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SFO SMF San Francisco International Airport – Sacramento International Airport | 138 | 13.5 min | 79.1% | 254 |
| PSP SFO Palm Springs International Airport – San Francisco International Airport | 677 | 10.2 min | 81.7% | 71 |
| SHV IAH Shreveport Regional Airport – George Bush Intercontinental Airport | 309 | 10.4 min | 83.0% | 53 |
| MLI ORD Quad City International Airport – Chicago O'Hare International Airport | 224 | -0.6 min | 90.9% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| February 2025 | 14 | 14 | 85.7% | 0 |
| March 2025 | 30 | 30 | 80.0% | 0 |
| April 2025 | 27 | 27 | 81.5% | 0 |
| May 2025 | 28 | 28 | 89.3% | 0 |
| June 2025 | 21 | 21 | 81.0% | 0 |
| July 2025 | 22 | 22 | 77.3% | 0 |
| August 2025 | 25 | 25 | 92.0% | 0 |
| September 2025 | 24 | 24 | 83.3% | 0 |
| October 2025 | 6 | 6 | 100.0% | 0 |
| November 2025 | 30 | 30 | 83.3% | 0 |
| December 2025 | 29 | 29 | 69.0% | 0 |
| January 2026 | 30 | 28 | 71.4% | 2 |
| February 2026 | 28 | 28 | 64.3% | 0 |
| March 2026 | 31 | 31 | 87.1% | 0 |
| April 2026 | 29 | 29 | 75.9% | 0 |
| May 2026 | 29 | 29 | 72.4% | 0 |
| June 2026 | 25 | 25 | 96.0% | 0 |
| July 2026 | 31 | 28 | 89.3% | 3 |