UA2177
UA2177 (United Airlines) is a multi-stop service on 13 routes, busiest San Francisco to San Diego. Of 895 departures recorded from October 2024 to July 2026, 83.3% left on time, according to the US BTS.
- On-time departures83.3%of 895 flights
- Average delay8.2 min
- July 202662▲ 100.0%vs July 2025
- Cancelled0.3%
- Legs flown under this number13
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 23 | 62 | ▲ 169.6% |
| February | 25 | 39 | ▲ 56.0% |
| March | 30 | 58 | ▲ 93.3% |
| April | 30 | 60 | ▲ 100.0% |
| May | 27 | 61 | ▲ 125.9% |
| June | 30 | 58 | ▲ 93.3% |
| July | 31 | 62 | ▲ 100.0% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 37 | – | in progress |
| November | 60 | – | – |
| December | 62 | – | – |
| Year to date (Jan–Jul) | 196 | 400 | ▲ 104.1% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 82.6% | 90.0% | ▲ 8.9% |
| February | 88.0% | 92.3% | ▲ 4.9% |
| March | 93.3% | 91.4% | ▼ 2.1% |
| April | 89.7% | 83.3% | ▼ 7.1% |
| May | 77.8% | 86.9% | ▲ 11.7% |
| June | 70.0% | 89.7% | ▲ 28.1% |
| July | 74.2% | 77.4% | ▲ 4.4% |
| August | 80.0% | – | – |
| September | 93.3% | – | – |
| October | 78.4% | – | in progress |
| November | 80.0% | – | – |
| December | 75.8% | – | – |
| Year-to-date average (Jan–Jul) | 82.2% | 87.3% | ▲ 6.2% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 2 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 2 | ▲ 100.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.7% 892
- Cancelled 0.3% 3
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SFO SAN San Francisco International Airport – San Diego International Airport | 719 | 11.8 min | 76.7% | 279 |
| AUS SFO Austin Bergstrom International Airport – San Francisco International Airport | 2,417 | 2.1 min | 92.3% | 249 |
| EWR RSW Newark Liberty International Airport – Southwest Florida International Airport | 1,722 | -2.1 min | 91.3% | 93 |
| ORD LGA Chicago O'Hare International Airport – LaGuardia Airport | 1,177 | 14.9 min | 75.9% | 58 |
| PIT SFO Pittsburgh International Airport – San Francisco International Airport | 3,618 | 4.3 min | 91.9% | 37 |
| CLE EWR Cleveland Hopkins International Airport – Newark Liberty International Airport | 649 | -2.7 min | 94.6% | 37 |
| EWR SAT Newark Liberty International Airport – San Antonio International Airport | 2,522 | 16.8 min | 75.0% | 36 |
| FLL EWR Fort Lauderdale Hollywood International Airport – Newark Liberty International Airport | 1,717 | 37.2 min | 65.7% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 70.0% | 0 |
| November 2024 | 29 | 29 | 89.7% | 0 |
| December 2024 | 31 | 31 | 67.7% | 0 |
| January 2025 | 23 | 23 | 82.6% | 0 |
| February 2025 | 25 | 25 | 88.0% | 0 |
| March 2025 | 30 | 30 | 93.3% | 0 |
| April 2025 | 30 | 29 | 89.7% | 1 |
| May 2025 | 27 | 27 | 77.8% | 0 |
| June 2025 | 30 | 30 | 70.0% | 0 |
| July 2025 | 31 | 31 | 74.2% | 0 |
| August 2025 | 30 | 30 | 80.0% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 37 | 37 | 78.4% | 0 |
| November 2025 | 60 | 60 | 80.0% | 0 |
| December 2025 | 62 | 62 | 75.8% | 0 |
| January 2026 | 62 | 60 | 90.0% | 2 |
| February 2026 | 39 | 39 | 92.3% | 0 |
| March 2026 | 58 | 58 | 91.4% | 0 |
| April 2026 | 60 | 60 | 83.3% | 0 |
| May 2026 | 61 | 61 | 86.9% | 0 |
| June 2026 | 58 | 58 | 89.7% | 0 |
| July 2026 | 62 | 62 | 77.4% | 0 |