UA2441
UA2441 (United Airlines) is a multi-stop service on 10 routes, busiest Boston to San Francisco. Of 1,010 departures recorded from October 2024 to July 2026, 89.0% left on time, according to the US BTS.
- On-time departures89.0%of 1,010 flights
- Average delay4.3 min
- July 202631▼ 50.0%vs July 2025
- Cancelled0.8%
- Legs flown under this number10
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 | 37 | 36 | ▼ 2.7% |
| February | 28 | 28 | 0.0% |
| March | 24 | 57 | ▲ 137.5% |
| April | 60 | 56 | ▼ 6.7% |
| May | 41 | 50 | ▲ 22.0% |
| June | 60 | 30 | ▼ 50.0% |
| July | 62 | 31 | ▼ 50.0% |
| August | 62 | – | – |
| September | 30 | – | – |
| October | 37 | – | in progress |
| November | 87 | – | – |
| December | 47 | – | – |
| Year to date (Jan–Jul) | 312 | 288 | ▼ 7.7% |
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 | 94.6% | 77.1% | ▼ 18.4% |
| February | 89.3% | 76.0% | ▼ 14.9% |
| March | 95.8% | 96.5% | ▲ 0.7% |
| April | 90.0% | 94.6% | ▲ 5.2% |
| May | 87.8% | 96.0% | ▲ 9.3% |
| June | 95.0% | 93.3% | ▼ 1.8% |
| July | 83.9% | 96.8% | ▲ 15.4% |
| August | 93.6% | – | – |
| September | 93.3% | – | – |
| October | 97.3% | – | in progress |
| November | 76.2% | – | – |
| December | 85.1% | – | – |
| Year-to-date average (Jan–Jul) | 90.9% | 90.1% | ▼ 0.9% |
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 | 3 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 3 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 4 |
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 99.2% 1,002
- Cancelled 0.8% 8
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOS SFO Boston Logan International Airport – San Francisco International Airport | 4,341 | -0.3 min | 94.0% | 503 |
| SFO BUR San Francisco International Airport – Hollywood Burbank/Bob Hope Airport | 525 | 6.9 min | 86.2% | 255 |
| SFO PHX San Francisco International Airport – Phoenix Sky Harbor International Airport | 1,047 | 19.0 min | 73.6% | 55 |
| SFO SNA San Francisco International Airport – John Wayne Orange County International Airport | 598 | -0.9 min | 92.5% | 53 |
| MCO EWR Orlando International Airport – Newark Liberty International Airport | 1,511 | 19.0 min | 72.2% | 37 |
| PHX ORD Phoenix Sky Harbor International Airport – Chicago O'Hare International Airport | 2,313 | 14.3 min | 80.0% | 36 |
| SFO LAS San Francisco International Airport – Harry Reid International Airport | 665 | 21.8 min | 68.8% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 25 | 24 | 95.8% | 1 |
| November 2024 | 60 | 60 | 83.3% | 0 |
| December 2024 | 62 | 62 | 82.3% | 0 |
| January 2025 | 37 | 37 | 94.6% | 0 |
| February 2025 | 28 | 28 | 89.3% | 0 |
| March 2025 | 24 | 24 | 95.8% | 0 |
| April 2025 | 60 | 60 | 90.0% | 0 |
| May 2025 | 41 | 41 | 87.8% | 0 |
| June 2025 | 60 | 60 | 95.0% | 0 |
| July 2025 | 62 | 62 | 83.9% | 0 |
| August 2025 | 62 | 62 | 93.6% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 37 | 37 | 97.3% | 0 |
| November 2025 | 87 | 84 | 76.2% | 3 |
| December 2025 | 47 | 47 | 85.1% | 0 |
| January 2026 | 36 | 35 | 77.1% | 1 |
| February 2026 | 28 | 25 | 76.0% | 3 |
| March 2026 | 57 | 57 | 96.5% | 0 |
| April 2026 | 56 | 56 | 94.6% | 0 |
| May 2026 | 50 | 50 | 96.0% | 0 |
| June 2026 | 30 | 30 | 93.3% | 0 |
| July 2026 | 31 | 31 | 96.8% | 0 |