UA661 United Airlines - Flight Status
Codeshare Flights
								The flight AC5576 from Air Canada (AC) is a codeshare flight operated by United Airlines (UA) under the flight number UA661. Check this page for details about flight UA661.
							Below, you can find details about United Airlines flight UA661, which currently operates between the airports of Chicago - Chicago O'Hare International Airport (Airport Code ORD) and Los Angeles - Los Angeles International Airport (Airport Code LAX).
This flight data pertains specifically to the flight's details for Friday, October 31, 2025.
									Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA661
								Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA661
									UA661 On Time performance:
																		
							
										
																					n/a
																				
									
																			It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.																	Flight Status
UA661 United Airlines from Chicago
																	
										Scheduled - On-time
																																								Flight Status for  Friday October 31, 2025
									
									This flight was also scheduled for Yesterday (October 30, 2025). See it here
									This flight is also scheduled for Tomorrow (November 01, 2025). See it here
								
							
Scheduled - On-time
																																								Flight Status for  Friday October 31, 2025
									Departure
										Chicago (ORD)
									
									
																				October 31, 2025									
								Chicago O'Hare International Airport
									
									
														Estimated Departure Time:													
													
														08:14 pm													
												
													Terminal:												
												
													 1												
											
													Gate:												
												
													 B11												
											
											Scheduled Departure Time:  08:14 pm										
										
							Arrival
										Los Angeles (LAX)
									
									
																				October 31, 2025									
								Los Angeles International Airport
																
									
												Estimated Arrival Time:											
											
												10:57 pm											
										
												Terminal:											
											
												 8											
										
												Gate:											
											
												 81											
										
											Scheduled Arrival Time:  10:57 pm										
																			
								
							Disclaimer
							
															The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.los-angeles-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.
														
						Codeshare Flights
 This flight is shared with other airlines, this means that these other flights are the same: 
									- AC5576 - Air Canada
- EK6266 - Emirates
- NH7233 - ANA All Nippon Airways
- NZ9689 - Air New Zealand
- VA8031 - Virgin Australia
Additional Information
								Which is the frequency of flight UA661? 
The flight UA661 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday, Friday, Sunday on a weekly basis.
Which is the distance of flight UA661?
The distance between the two airports is 1742 miles.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Chicago: 2025-10-31 05:44:35
Current Time in Los Angeles: 2025-10-31 03:44:35
																					
						The flight UA661 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday, Friday, Sunday on a weekly basis.
Which is the distance of flight UA661?
The distance between the two airports is 1742 miles.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Chicago: 2025-10-31 05:44:35
Current Time in Los Angeles: 2025-10-31 03:44:35
Alternative Flights
																						The following airlines serves the same route between Chicago and Los Angeles:
																	
American Airlines
- Flight Number: AA1384. (On Time performance: 61 - Average Delay: 15 minutes)
- Flight Number: AA1433. (On Time performance: 64 - Average Delay: 28 minutes)
- Flight Number: AA1564. (On Time performance: 71 - Average Delay: 35 minutes)
- Flight Number: AA1979. (On Time performance: 78 - Average Delay: 11 minutes)
- Flight Number: AA2012. (On Time performance: 70 - Average Delay: 36 minutes)
- Flight Number: AA2364. (On Time performance: 63 - Average Delay: 26 minutes)
- Flight Number: AA2783. (On Time performance: 82 - Average Delay: 7 minutes)
- Flight Number: AA3008. (On Time performance: 76 - Average Delay: 19 minutes)
- Flight Number: AA3063. (On Time performance: 50 - Average Delay: 35 minutes)
- Flight Number: AA3194. (On Time performance: 46 - Average Delay: 44 minutes)
- Flight Number: AA529. (On Time performance: 63 - Average Delay: 31 minutes)
- Flight Number: AA607. (On Time performance: 84 - Average Delay: 23 minutes)
																																			
Frontier Airlines
- Flight Number: F92445. (On Time performance: 79 - Average Delay: 9 minutes)
																																			
Sky Lease Cargo
- Flight Number: GG7522. (On Time performance: 33 - Average Delay: 55 minutes)
																																			
United Airlines
- Flight Number: UA1044. (On Time performance: 82 - Average Delay: 12 minutes)
- Flight Number: UA1084. (On Time performance: 74 - Average Delay: 14 minutes)
- Flight Number: UA1172. (On Time performance: 84 - Average Delay: 7 minutes)
- Flight Number: UA1363. (On Time performance: 92 - Average Delay: 6 minutes)
- Flight Number: UA1584. (On Time performance: 90 - Average Delay: 7 minutes)
- Flight Number: UA1596. (On Time performance: 94 - Average Delay: 2 minutes)
- Flight Number: UA1967. (On Time performance: 73 - Average Delay: 23 minutes)
- Flight Number: UA2124. (On Time performance: 91 - Average Delay: 5 minutes)
- Flight Number: UA2227.
- Flight Number: UA2361. (On Time performance: 92 - Average Delay: 9 minutes)
- Flight Number: UA2378. (On Time performance: 70 - Average Delay: 18 minutes)
- Flight Number: UA2396.
- Flight Number: UA2607.
- Flight Number: UA2684.
- Flight Number: UA378. (On Time performance: 84 - Average Delay: 9 minutes)
- Flight Number: UA576. (On Time performance: 74 - Average Delay: 14 minutes)
																																	
							
						American Airlines
- Flight Number: AA1384. (On Time performance: 61 - Average Delay: 15 minutes)
- Flight Number: AA1433. (On Time performance: 64 - Average Delay: 28 minutes)
- Flight Number: AA1564. (On Time performance: 71 - Average Delay: 35 minutes)
- Flight Number: AA1979. (On Time performance: 78 - Average Delay: 11 minutes)
- Flight Number: AA2012. (On Time performance: 70 - Average Delay: 36 minutes)
- Flight Number: AA2364. (On Time performance: 63 - Average Delay: 26 minutes)
- Flight Number: AA2783. (On Time performance: 82 - Average Delay: 7 minutes)
- Flight Number: AA3008. (On Time performance: 76 - Average Delay: 19 minutes)
- Flight Number: AA3063. (On Time performance: 50 - Average Delay: 35 minutes)
- Flight Number: AA3194. (On Time performance: 46 - Average Delay: 44 minutes)
- Flight Number: AA529. (On Time performance: 63 - Average Delay: 31 minutes)
- Flight Number: AA607. (On Time performance: 84 - Average Delay: 23 minutes)
Frontier Airlines
- Flight Number: F92445. (On Time performance: 79 - Average Delay: 9 minutes)
Sky Lease Cargo
- Flight Number: GG7522. (On Time performance: 33 - Average Delay: 55 minutes)
United Airlines
- Flight Number: UA1044. (On Time performance: 82 - Average Delay: 12 minutes)
- Flight Number: UA1084. (On Time performance: 74 - Average Delay: 14 minutes)
- Flight Number: UA1172. (On Time performance: 84 - Average Delay: 7 minutes)
- Flight Number: UA1363. (On Time performance: 92 - Average Delay: 6 minutes)
- Flight Number: UA1584. (On Time performance: 90 - Average Delay: 7 minutes)
- Flight Number: UA1596. (On Time performance: 94 - Average Delay: 2 minutes)
- Flight Number: UA1967. (On Time performance: 73 - Average Delay: 23 minutes)
- Flight Number: UA2124. (On Time performance: 91 - Average Delay: 5 minutes)
- Flight Number: UA2227.
- Flight Number: UA2361. (On Time performance: 92 - Average Delay: 9 minutes)
- Flight Number: UA2378. (On Time performance: 70 - Average Delay: 18 minutes)
- Flight Number: UA2396.
- Flight Number: UA2607.
- Flight Number: UA2684.
- Flight Number: UA378. (On Time performance: 84 - Average Delay: 9 minutes)
- Flight Number: UA576. (On Time performance: 74 - Average Delay: 14 minutes)
Punctuality and delays
										
									It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
															
                            
                        Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Last Past Flights UA661
Date
								Departure
								Arrival
								Duration
								Aircraft
								Status
							Thursday
30 October
									30 October
08:09 pm
Chicago (ORD)
									Chicago (ORD)
10:47 pm
Los Angeles (LAX)
									Los Angeles (LAX)
04h 38min
									Airbus A321neo
									Airbus A321neo
									Landed - On-time
								Wednesday
29 October
									29 October
08:07 pm
Chicago (ORD)
									Chicago (ORD)
10:41 pm
Los Angeles (LAX)
									Los Angeles (LAX)
04h 34min
									Airbus A321neo
									Airbus A321neo
									Landed - On-time
								Tuesday
28 October
									28 October
08:12 pm
Chicago (ORD)
									Chicago (ORD)
11:10 pm
Los Angeles (LAX)
									Los Angeles (LAX)
04h 58min
									Airbus A321neo
									Airbus A321neo
									Landed - On-time
								Monday
27 October
									27 October
08:33 pm
Chicago (ORD)
									Chicago (ORD)
11:02 pm
Los Angeles (LAX)
									Los Angeles (LAX)
04h 29min
									Airbus A321neo
									Airbus A321neo
									Landed - On-time
								Sunday
26 October
									26 October
08:19 pm
Chicago (ORD)
									Chicago (ORD)
11:10 pm
Los Angeles (LAX)
									Los Angeles (LAX)
04h 51min
									Airbus A321neo
									Airbus A321neo
									Landed - On-time
								