UA336
UA336 (United Airlines) is a multi-stop service on 15 routes, busiest San Francisco to St Louis. Of 1,059 departures recorded from October 2024 to July 2026, 79.1% left on time, according to the US BTS.
- On-time departures79.1%of 1,059 flights
- Average delay10.8 min
- July 202662▲ 6.9%vs July 2025
- Cancelled0.6%
- Legs flown under this number15
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 | 56 | 57 | ▲ 1.8% |
| February | 36 | 56 | ▲ 55.6% |
| March | 57 | 53 | ▼ 7.0% |
| April | 60 | 39 | ▼ 35.0% |
| May | 32 | 42 | ▲ 31.3% |
| June | 59 | 60 | ▲ 1.7% |
| July | 58 | 62 | ▲ 6.9% |
| August | 31 | – | – |
| September | 53 | – | – |
| October | 37 | – | in progress |
| November | 60 | – | – |
| December | 48 | – | – |
| Year to date (Jan–Jul) | 358 | 369 | ▲ 3.1% |
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 | 82.1% | 85.7% | ▲ 4.3% |
| February | 75.0% | 83.9% | ▲ 11.9% |
| March | 84.2% | 80.8% | ▼ 4.1% |
| April | 91.7% | 82.1% | ▼ 10.5% |
| May | 90.3% | 64.3% | ▼ 28.8% |
| June | 81.4% | 49.2% | ▼ 39.6% |
| July | 61.4% | 50.0% | ▼ 18.6% |
| August | 87.1% | – | – |
| September | 92.5% | – | – |
| October | 97.3% | – | in progress |
| November | 81.7% | – | – |
| December | 89.6% | – | – |
| Year-to-date average (Jan–Jul) | 80.9% | 70.8% | ▼ 12.4% |
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 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 1 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 3 | ▲ 50.0% |
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 99.4% 1,053
- Cancelled 0.6% 6
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SFO STL San Francisco International Airport – St. Louis Lambert International Airport | 2,786 | 7.9 min | 80.8% | 288 |
| SFO IAD San Francisco International Airport – Washington Dulles International Airport | 3,883 | 20.3 min | 78.6% | 207 |
| ORD SFO Chicago O'Hare International Airport – San Francisco International Airport | 2,964 | 0.9 min | 90.5% | 171 |
| SNA SFO John Wayne Orange County International Airport – San Francisco International Airport | 598 | -1.4 min | 92.6% | 163 |
| JAC SFO Jackson Hole Airport – San Francisco International Airport | 1,185 | 51.8 min | 18.3% | 72 |
| LAX SFO Los Angeles International Airport – San Francisco International Airport | 543 | 7.7 min | 67.7% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 30 | 30 | 93.3% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 43 | 42 | 73.8% | 1 |
| January 2025 | 56 | 56 | 82.1% | 0 |
| February 2025 | 36 | 36 | 75.0% | 0 |
| March 2025 | 57 | 57 | 84.2% | 0 |
| April 2025 | 60 | 60 | 91.7% | 0 |
| May 2025 | 32 | 31 | 90.3% | 1 |
| June 2025 | 59 | 59 | 81.4% | 0 |
| July 2025 | 58 | 57 | 61.4% | 1 |
| August 2025 | 31 | 31 | 87.1% | 0 |
| September 2025 | 53 | 53 | 92.5% | 0 |
| October 2025 | 37 | 37 | 97.3% | 0 |
| November 2025 | 60 | 60 | 81.7% | 0 |
| December 2025 | 48 | 48 | 89.6% | 0 |
| January 2026 | 57 | 56 | 85.7% | 1 |
| February 2026 | 56 | 56 | 83.9% | 0 |
| March 2026 | 53 | 52 | 80.8% | 1 |
| April 2026 | 39 | 39 | 82.1% | 0 |
| May 2026 | 42 | 42 | 64.3% | 0 |
| June 2026 | 60 | 59 | 49.2% | 1 |
| July 2026 | 62 | 62 | 50.0% | 0 |