UA299
UA299 (United Airlines) is a multi-stop service on 16 routes, busiest Denver to Seattle. Of 849 departures recorded from October 2024 to July 2026, 78.1% left on time, according to the US BTS.
- On-time departures78.1%of 849 flights
- Average delay12.8 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.1%
- Legs flown under this number16
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 | 31 | 31 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 79 | 31 | ▼ 60.8% |
| April | 30 | 31 | ▲ 3.3% |
| May | 62 | 48 | ▼ 22.6% |
| June | 80 | 30 | ▼ 62.5% |
| July | 31 | 31 | 0.0% |
| August | 64 | – | – |
| September | 30 | – | – |
| October | 30 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 341 | 230 | ▼ 32.6% |
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 | 74.2% | 86.7% | ▲ 16.8% |
| February | 78.6% | 88.5% | ▲ 12.6% |
| March | 78.5% | 83.9% | ▲ 6.9% |
| April | 70.0% | 93.6% | ▲ 33.6% |
| May | 74.2% | 91.7% | ▲ 23.6% |
| June | 66.3% | 92.9% | ▲ 40.2% |
| July | 45.2% | 86.7% | ▲ 91.9% |
| August | 48.4% | – | – |
| September | 86.7% | – | – |
| October | 96.7% | – | in progress |
| November | 89.7% | – | – |
| December | 80.7% | – | – |
| Year-to-date average (Jan–Jul) | 69.5% | 89.1% | ▲ 28.1% |
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 | 1 | – |
| February | 0 | 2 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 2 | – |
| July | 0 | 1 | – |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 6 |
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 98.9% 840
- Cancelled 1.1% 9
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 |
|---|---|---|---|---|
| DEN SEA Denver International Airport – Seattle–Tacoma International Airport | 1,645 | 19.4 min | 71.2% | 347 |
| ATL EWR Hartsfield Jackson Atlanta International Airport – Newark Liberty International Airport | 1,199 | 2.0 min | 91.3% | 236 |
| LAX DEN Los Angeles International Airport – Denver International Airport | 1,385 | 6.2 min | 85.7% | 56 |
| SEA ORD Seattle–Tacoma International Airport – Chicago O'Hare International Airport | 2,762 | 26.5 min | 59.5% | 39 |
| EWR MSY Newark Liberty International Airport – Louis Armstrong New Orleans International Airport | 1,878 | 14.5 min | 83.3% | 37 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 32 | 32 | 93.8% | 0 |
| November 2024 | 30 | 30 | 76.7% | 0 |
| December 2024 | 31 | 31 | 83.9% | 0 |
| January 2025 | 31 | 31 | 74.2% | 0 |
| February 2025 | 28 | 28 | 78.6% | 0 |
| March 2025 | 79 | 79 | 78.5% | 0 |
| April 2025 | 30 | 30 | 70.0% | 0 |
| May 2025 | 62 | 62 | 74.2% | 0 |
| June 2025 | 80 | 80 | 66.3% | 0 |
| July 2025 | 31 | 31 | 45.2% | 0 |
| August 2025 | 64 | 62 | 48.4% | 2 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 30 | 30 | 96.7% | 0 |
| November 2025 | 30 | 29 | 89.7% | 1 |
| December 2025 | 31 | 31 | 80.7% | 0 |
| January 2026 | 31 | 30 | 86.7% | 1 |
| February 2026 | 28 | 26 | 88.5% | 2 |
| March 2026 | 31 | 31 | 83.9% | 0 |
| April 2026 | 31 | 31 | 93.6% | 0 |
| May 2026 | 48 | 48 | 91.7% | 0 |
| June 2026 | 30 | 28 | 92.9% | 2 |
| July 2026 | 31 | 30 | 86.7% | 1 |