UA2618
UA2618 (United Airlines) is a multi-stop service on 11 routes, busiest Chicago to St Louis. Of 1,178 departures recorded from October 2024 to July 2026, 82.9% left on time, according to the US BTS.
- On-time departures82.9%of 1,178 flights
- Average delay13.8 min
- July 202661▲ 96.8%vs July 2025
- Cancelled0.5%
- Legs flown under this number11
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 | 24 | 28 | ▲ 16.7% |
| March | 72 | 34 | ▼ 52.8% |
| April | 56 | 60 | ▲ 7.1% |
| May | 83 | 60 | ▼ 27.7% |
| June | 70 | 60 | ▼ 14.3% |
| July | 31 | 61 | ▲ 96.8% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 59 | – | – |
| December | 62 | – | – |
| Year to date (Jan–Jul) | 373 | 339 | ▼ 9.1% |
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 | 80.0% | 72.2% | ▼ 9.7% |
| February | 79.2% | 78.6% | ▼ 0.8% |
| March | 86.1% | 81.8% | ▼ 5.0% |
| April | 85.7% | 81.7% | ▼ 4.7% |
| May | 83.1% | 90.0% | ▲ 8.3% |
| June | 71.4% | 86.4% | ▲ 21.0% |
| July | 61.3% | 88.3% | ▲ 44.1% |
| August | 72.1% | – | – |
| September | 88.3% | – | – |
| October | 93.6% | – | in progress |
| November | 81.4% | – | – |
| December | 71.0% | – | – |
| Year-to-date average (Jan–Jul) | 78.1% | 82.7% | ▲ 5.9% |
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 | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 1 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 3 | ▲ 50.0% |
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 99.5% 1,172
- Cancelled 0.5% 6
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 |
|---|---|---|---|---|
| ORD STL Chicago O'Hare International Airport – St. Louis Lambert International Airport | 415 | 13.0 min | 81.1% | 410 |
| SEA ORD Seattle–Tacoma International Airport – Chicago O'Hare International Airport | 2,762 | 5.1 min | 93.9% | 265 |
| ORD RSW Chicago O'Hare International Airport – Southwest Florida International Airport | 1,807 | 21.4 min | 77.2% | 204 |
| LGA ORD LaGuardia Airport – Chicago O'Hare International Airport | 1,177 | 0.0 min | 96.0% | 75 |
| STL DEN St. Louis Lambert International Airport – Denver International Airport | 1,236 | 39.9 min | 63.2% | 58 |
| SLC ORD Salt Lake City International Airport – Chicago O'Hare International Airport | 2,006 | 3.2 min | 92.3% | 52 |
| STL IAH St. Louis Lambert International Airport – George Bush Intercontinental Airport | 1,076 | 32.4 min | 58.3% | 48 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 39 | 39 | 97.4% | 0 |
| November 2024 | 60 | 60 | 93.3% | 0 |
| December 2024 | 62 | 62 | 87.1% | 0 |
| January 2025 | 37 | 35 | 80.0% | 2 |
| February 2025 | 24 | 24 | 79.2% | 0 |
| March 2025 | 72 | 72 | 86.1% | 0 |
| April 2025 | 56 | 56 | 85.7% | 0 |
| May 2025 | 83 | 83 | 83.1% | 0 |
| June 2025 | 70 | 70 | 71.4% | 0 |
| July 2025 | 31 | 31 | 61.3% | 0 |
| August 2025 | 62 | 61 | 72.1% | 1 |
| September 2025 | 60 | 60 | 88.3% | 0 |
| October 2025 | 62 | 62 | 93.6% | 0 |
| November 2025 | 59 | 59 | 81.4% | 0 |
| December 2025 | 62 | 62 | 71.0% | 0 |
| January 2026 | 36 | 36 | 72.2% | 0 |
| February 2026 | 28 | 28 | 78.6% | 0 |
| March 2026 | 34 | 33 | 81.8% | 1 |
| April 2026 | 60 | 60 | 81.7% | 0 |
| May 2026 | 60 | 60 | 90.0% | 0 |
| June 2026 | 60 | 59 | 86.4% | 1 |
| July 2026 | 61 | 60 | 88.3% | 1 |