Flight UA 4540: Chattanooga → Chicago O'Hare
United Airlines4 October 2026ScheduledUpdated 8 min ago, official airport data
Flight UA 4540, 4 October 2026
All flights Chattanooga → Chicago O'HareNot departed yet
Data from the official airport boards. Times are local to each airport.
Follow flight UA 4540, 4 October 2026
We will message you when the status, time, terminal, check-in desk or gate changes on the airport board, exactly as the board shows it. Every message has a Stop button or link.
- Distance
- ≈ 807 km
- Days of the week
Punctuality of flight UA 4540
The last 60 days of boards hold fewer than 5 finished flights with a known departure time: too few to count punctuality.
Flight UA 4540: schedule and upcoming dates
- Days it flew in the last 60 days
- Usual arrival time
- 06:59
Dates already on the boards
- Sun 4 OctArrival 06:59Scheduled
Route of flight UA 4540
Departure airport: Chattanooga (CHA). Arrival airport: Chicago O'Hare (ORD). Distance between the airports: about 807 km in a straight line.
See also
Questions about flight UA 4540
Is flight UA 4540 on time today?
For 4 October 2026 the airport board shows flight UA 4540 as “Scheduled”. Arrival: Chicago O'Hare, 06:59.
Which terminal and gate does flight UA 4540 use?
Chicago O'Hare (ORD): Terminal 2. Gates are announced shortly before boarding and can change: check the screens at the airport.
How often is flight UA 4540 delayed?
The last 60 days of boards hold fewer than 5 finished flights with a known departure time: too few to count punctuality.
On which days does flight UA 4540 operate?
In the last 60 days it was on the boards on: Sunday.
How can I get notified when flight UA 4540 changes?
Use the notifications block at the top of this page: Telegram or e-mail. We will message you when the status, time, terminal, check-in desk or gate changes on the airport board, exactly as the board shows it. Every message has a Stop button or link.