UA2331
UA2331 (United Airlines) is a multi-stop service on 12 routes, busiest Tampa to Dulles. Of 1,492 departures recorded from October 2024 to July 2026, 84.9% left on time, according to the US BTS.
- On-time departures84.9%of 1,492 flights
- Average delay11.3 min
- July 202692▼ 1.1%vs July 2025
- Cancelled0.7%
- Legs flown under this number12
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 | 93 | ▲ 200.0% |
| February | 28 | 67 | ▲ 139.3% |
| March | 35 | 89 | ▲ 154.3% |
| April | 90 | 90 | 0.0% |
| May | 83 | 91 | ▲ 9.6% |
| June | 65 | 82 | ▲ 26.2% |
| July | 93 | 92 | ▼ 1.1% |
| August | 75 | – | – |
| September | 90 | – | – |
| October | 80 | – | in progress |
| November | 30 | – | – |
| December | 91 | – | – |
| Year to date (Jan–Jul) | 425 | 604 | ▲ 42.1% |
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 | 80.7% | 85.6% | ▲ 6.1% |
| February | 85.7% | 88.1% | ▲ 2.7% |
| March | 88.6% | 82.0% | ▼ 7.4% |
| April | 84.4% | 88.8% | ▲ 5.1% |
| May | 91.6% | 80.2% | ▼ 12.4% |
| June | 84.6% | 80.3% | ▼ 5.2% |
| July | 82.6% | 78.7% | ▼ 4.8% |
| August | 85.3% | – | – |
| September | 82.2% | – | – |
| October | 89.9% | – | in progress |
| November | 75.9% | – | – |
| December | 85.7% | – | – |
| Year-to-date average (Jan–Jul) | 85.5% | 83.4% | ▼ 2.4% |
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 | 3 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 1 | 3 | ▲ 200.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 8 | ▲ 700.0% |
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 99.3% 1,481
- Cancelled 0.7% 11
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
9| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| TPA IAD Tampa International Airport – Washington Dulles International Airport | 1,307 | 0.6 min | 92.5% | 552 |
| IAD ORD Washington Dulles International Airport – Chicago O'Hare International Airport | 945 | 12.5 min | 86.0% | 505 |
| ORD SAN Chicago O'Hare International Airport – San Diego International Airport | 2,768 | 22.5 min | 81.1% | 111 |
| ORD BOS Chicago O'Hare International Airport – Boston Logan International Airport | 1,391 | 26.2 min | 62.2% | 92 |
| ORD PDX Chicago O'Hare International Airport – Portland International Airport | 2,792 | 13.9 min | 78.9% | 52 |
| ORD SFO Chicago O'Hare International Airport – San Francisco International Airport | 2,964 | 20.3 min | 73.0% | 37 |
| ORD LAX Chicago O'Hare International Airport – Los Angeles International Airport | 2,802 | 32.8 min | 73.0% | 37 |
| ORD MCI Chicago O'Hare International Airport – Kansas City International Airport | 647 | 34.8 min | 74.2% | 32 |
| ORD CID Chicago O'Hare International Airport – The Eastern Iowa Airport | 315 | 10.5 min | 76.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 96.7% | 0 |
| December 2024 | 47 | 47 | 89.4% | 0 |
| January 2025 | 31 | 31 | 80.7% | 0 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 35 | 35 | 88.6% | 0 |
| April 2025 | 90 | 90 | 84.4% | 0 |
| May 2025 | 83 | 83 | 91.6% | 0 |
| June 2025 | 65 | 65 | 84.6% | 0 |
| July 2025 | 93 | 92 | 82.6% | 1 |
| August 2025 | 75 | 75 | 85.3% | 0 |
| September 2025 | 90 | 90 | 82.2% | 0 |
| October 2025 | 80 | 79 | 89.9% | 1 |
| November 2025 | 30 | 29 | 75.9% | 1 |
| December 2025 | 91 | 91 | 85.7% | 0 |
| January 2026 | 93 | 90 | 85.6% | 3 |
| February 2026 | 67 | 67 | 88.1% | 0 |
| March 2026 | 89 | 89 | 82.0% | 0 |
| April 2026 | 90 | 89 | 88.8% | 1 |
| May 2026 | 91 | 91 | 80.2% | 0 |
| June 2026 | 82 | 81 | 80.3% | 1 |
| July 2026 | 92 | 89 | 78.7% | 3 |