UA2351
UA2351 (United Airlines) is a multi-stop service on 5 routes, busiest Santa Ana to San Francisco. Of 267 departures recorded from October 2024 to May 2026, 83.2% left on time, according to the US BTS.
- On-time departures83.2%of 267 flights
- Average delay11.8 min
- May 202640▲ 90.5%vs May 2025
- Cancelled0.0%
- Legs flown under this number5
Recorded departures by month
Short series — UA2351 has only 11 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods8 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | 2 | – | – |
| April | 30 | 2 | ▼ 93.3% |
| May | 21 | 40 | ▲ 90.5% |
| June | – | – | – |
| July | – | – | – |
| August | 13 | – | – |
| September | 30 | – | – |
| October | 25 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → May 2026
On-time departures by month
Short series — UA2351 has only 11 months so far. Enough to show the level now, not enough to read a trend.
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 periods8 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | 0.0% | – | – |
| April | 93.3% | 50.0% | ▼ 46.4% |
| May | 90.5% | 82.5% | ▼ 8.8% |
| June | – | – | – |
| July | – | – | – |
| August | 100.0% | – | – |
| September | 96.7% | – | – |
| October | 88.0% | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → May 2026
Average departure delay by month
Short series — UA2351 has only 11 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
according to the US BTS · October 2024 → May 2026
Cancelled departures by month
Short series — UA2351 has only 11 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods8 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | 0 | – | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | – | – | – |
| July | – | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 100.0% 267
- Cancelled 0.0% 0
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SNA SFO John Wayne Orange County International Airport – San Francisco International Airport | 598 | 6.0 min | 87.5% | 120 |
| SFO IAD San Francisco International Airport – Washington Dulles International Airport | 3,883 | 1.3 min | 94.1% | 68 |
| SFO EWR San Francisco International Airport – Newark Liberty International Airport | 4,118 | 37.8 min | 51.4% | 37 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 25 | 25 | 88.0% | 0 |
| November 2024 | 59 | 59 | 64.4% | 0 |
| December 2024 | 20 | 20 | 85.0% | 0 |
| March 2025 | 2 | 2 | 0.0% | 0 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 21 | 21 | 90.5% | 0 |
| August 2025 | 13 | 13 | 100.0% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 25 | 25 | 88.0% | 0 |
| April 2026 | 2 | 2 | 50.0% | 0 |
| May 2026 | 40 | 40 | 82.5% | 0 |