UA4573 Flight Status United Airlines: Louisville to Chicago (UAL4573)
Are you looking for the November 14th, 2026 UA 4573 Houston to Huntsville flight? Go to our UA4573 Houston to Huntsville Flight Status page >
UA 4573 Louisville to Chicago Flight Status
Not scheduled today (November 14th, 2026). Latest flight: May 20th, 2026 ; recent history is in the table below.
- This flight continues to Springfield (SGF): UA4573 Chicago to Springfield departs at 20:02 local time on May 20.
UA 4573 Flight Status & Schedule United Airlines Louisville to Chicago
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| May 20 | SDF | ORD | 18:02 | 17:59 | Landed | Track > |
| May 19 | SDF | ORD | 20:10 | 20:08 | Delayed | Track > |
| May 18 | SDF | ORD | 17:52 | 18:46 | Cancelled | Track > |
| May 17 | SDF | ORD | 17:52 | 17:45 | Landed | Track > |
| May 16 | SDF | ORD | 17:54 | 17:47 | Landed | Track > |
| May 15 | SDF | ORD | 18:02 | 17:58 | Landed | Track > |
| May 14 | SDF | ORD | 19:17 | 19:14 | Landed Late | Track > |
| May 13 | SDF | ORD | 18:06 | 18:12 | Landed | Track > |
| May 12 | SDF | ORD | 17:50 | 18:06 | Landed | Track > |
| May 11 | SDF | ORD | 17:56 | 17:59 | Landed | Track > |
United Airlines operates UA 4573 from Louisville to Chicago, a 461 km (287 mi) trip. The timetable allows 1 h 54 min, but the flight usually takes about 55 min, so it often makes up time. It is not flying today; the last flight, on 20 May 2026, landed on time.
About UA 4573
United Airlines Flight UA4573 connects Louisville, United States to Chicago, United States, taking off from Louisville International Airport SDF and landing at Chicago O'Hare International Airport ORD.
- Distance
- 461 km (287 mi)
- Typical flight time
- 55 min
- On time
- 7 of the last 9
- Average delay when late
- 28 min
UA 4573 FAQ
- How long is the UA4573 flight from Louisville to Chicago?
- The timetable allows 1 h 54 min. Louisville to Chicago is 461 km (287 mi).
- How often is UA4573 from Louisville to Chicago late?
- 1 of the last 9 flights arrived 15 or more minutes late and 1 was cancelled; when late, by 28 minutes on average.
- When was the latest UA4573 flight from Louisville to Chicago?
- The latest UA4573 was the 17:52 (local time) departure from Louisville on 20 May 2026; it landed 47 minutes early.
- Which terminal does UA4573 use?
- It usually arrives at Terminal 2 at Chicago O'Hare International Airport (ORD). Check the flight card above for today's terminal and gate.
- What other flight numbers does UA4573 have?
- Also listed as UAL4573 (United Airlines' ICAO code) and UA 4573.
UA4573 and Louisville SDF to Chicago ORD Flights
Flight UA4573 is code-shared by 2 airlines using the flight numbers AC3670, NZ2870
Other flights departing from Louisville SDF: WN2413, AA2762, AA4599, WN3328
Other flights arriving at Chicago ORD: UA1498, UA481, UA2032, UA4749
All flights connecting Louisville SDF to Chicago ORD.