UA349
UA349 (United Airlines) is a multi-stop service on 15 routes, busiest Chicago to Burlington. Of 502 departures recorded from October 2024 to July 2026, 80.8% left on time, according to the US BTS.
- On-time departures80.8%of 502 flights
- Average delay13.5 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.4%
- Legs flown under this number15
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods13 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | 4 | 3 | ▼ 25.0% |
| April | 60 | 30 | ▼ 50.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 36 | – | – |
| October | 50 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
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 periods13 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | 75.0% | 0.0% | ▼ 100.0% |
| April | 81.7% | 82.1% | ▲ 0.6% |
| May | 77.4% | 87.1% | ▲ 12.5% |
| June | 72.4% | 80.0% | ▲ 10.5% |
| July | 45.2% | 93.6% | ▲ 107.2% |
| August | 67.9% | – | – |
| September | 100.0% | – | – |
| October | 92.0% | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods13 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | 0 | 1 | – |
| April | 0 | 2 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 3 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 98.6% 495
- Cancelled 1.4% 7
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD BTV Chicago O'Hare International Airport – Patrick Leahy Burlington International Airport | 1,225 | 30.6 min | 64.5% | 141 |
| SAT IAH San Antonio International Airport – George Bush Intercontinental Airport | 306 | -6.1 min | 98.5% | 68 |
| SAN ORD San Diego International Airport – Chicago O'Hare International Airport | 2,768 | -2.6 min | 98.0% | 51 |
| ORD MDT Chicago O'Hare International Airport – Harrisburg International Airport | 954 | 13.1 min | 69.4% | 36 |
| RSW ORD Southwest Florida International Airport – Chicago O'Hare International Airport | 1,807 | -0.6 min | 93.8% | 32 |
| IAH FLL George Bush Intercontinental Airport – Fort Lauderdale Hollywood International Airport | 1,552 | 4.3 min | 87.1% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 25 | 25 | 88.0% | 0 |
| November 2024 | 59 | 59 | 86.4% | 0 |
| December 2024 | 20 | 20 | 60.0% | 0 |
| March 2025 | 4 | 4 | 75.0% | 0 |
| April 2025 | 60 | 60 | 81.7% | 0 |
| May 2025 | 31 | 31 | 77.4% | 0 |
| June 2025 | 30 | 29 | 72.4% | 1 |
| July 2025 | 31 | 31 | 45.2% | 0 |
| August 2025 | 31 | 28 | 67.9% | 3 |
| September 2025 | 36 | 36 | 100.0% | 0 |
| October 2025 | 50 | 50 | 92.0% | 0 |
| March 2026 | 3 | 2 | 0.0% | 1 |
| April 2026 | 30 | 28 | 82.1% | 2 |
| May 2026 | 31 | 31 | 87.1% | 0 |
| June 2026 | 30 | 30 | 80.0% | 0 |
| July 2026 | 31 | 31 | 93.6% | 0 |