UA8138 United Airlines - Flight Status
Below, you can find details about United Airlines flight UA8138, which currently operates between the airports of Chicago - Chicago O'Hare International Airport (Airport Code ORD) and San Diego - San Diego International Airport (Airport Code SAN).
This flight data pertains specifically to the flight's details for Monday, August 31, 2026.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights UA8138
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights UA8138
UA8138 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
UA8138 United Airlines from Chicago
Landed - Delayed
Delay: 97 minutes
Flight Status for Monday August 31, 2026
Landed - Delayed
Delay: 97 minutes
Flight Status for Monday August 31, 2026
Departure
Chicago (ORD)
August 31, 2026
Chicago O'Hare International Airport
Departed at:
05:50 pm
Terminal:
-
Gate:
-
Scheduled Departure Time: 04:15 pm
Arrival
San Diego (SAN)
August 31, 2026
San Diego International Airport
Arrived at:
07:39 pm
Terminal:
-
Gate:
-
Scheduled Arrival Time: 06:02 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.san-diego-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.
Additional Information
Which is the frequency of flight UA8138?
The flight UA8138 is scheduled to flight on Monday, Tuesday, Saturday, Sunday on a weekly basis.
Which is the distance of flight UA8138?
The distance between the two airports is 1721 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: 2026-09-01 10:42:51
Current Time in San Diego: 2026-09-01 08:42:51
The flight UA8138 is scheduled to flight on Monday, Tuesday, Saturday, Sunday on a weekly basis.
Which is the distance of flight UA8138?
The distance between the two airports is 1721 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: 2026-09-01 10:42:51
Current Time in San Diego: 2026-09-01 08:42:51
Alternative Flights
The following airlines serves the same route between Chicago and San Diego:
American Airlines
- Flight Number: AA1543. (On Time performance: 48 - Average Delay: 33 minutes)
- Flight Number: AA1924. (On Time performance: 57 - Average Delay: 34 minutes)
- Flight Number: AA2131. (On Time performance: 60 - Average Delay: 21 minutes)
- Flight Number: AA2343. (On Time performance: 80 - Average Delay: 7 minutes)
- Flight Number: AA2945. (On Time performance: 40 - Average Delay: 40 minutes)
Alaska Airlines
- Flight Number: AS1447. (On Time performance: 64 - Average Delay: 38 minutes)
- Flight Number: AS1466. (On Time performance: 47 - Average Delay: 43 minutes)
- Flight Number: AS1470. (On Time performance: 89 - Average Delay: 3 minutes)
United Airlines
- Flight Number: UA1168. (On Time performance: 16 - Average Delay: 34 minutes)
- Flight Number: UA1531. (On Time performance: 74 - Average Delay: 27 minutes)
- Flight Number: UA1811. (On Time performance: 53 - Average Delay: 36 minutes)
- Flight Number: UA2138. (On Time performance: 53 - Average Delay: 36 minutes)
- Flight Number: UA2428. (On Time performance: 96 - Average Delay: 2 minutes)
- Flight Number: UA2683. (On Time performance: 78 - Average Delay: 18 minutes)
- Flight Number: UA660. (On Time performance: 82 - Average Delay: 11 minutes)
- Flight Number: UA745. (On Time performance: 63 - Average Delay: 33 minutes)
American Airlines
- Flight Number: AA1543. (On Time performance: 48 - Average Delay: 33 minutes)
- Flight Number: AA1924. (On Time performance: 57 - Average Delay: 34 minutes)
- Flight Number: AA2131. (On Time performance: 60 - Average Delay: 21 minutes)
- Flight Number: AA2343. (On Time performance: 80 - Average Delay: 7 minutes)
- Flight Number: AA2945. (On Time performance: 40 - Average Delay: 40 minutes)
Alaska Airlines
- Flight Number: AS1447. (On Time performance: 64 - Average Delay: 38 minutes)
- Flight Number: AS1466. (On Time performance: 47 - Average Delay: 43 minutes)
- Flight Number: AS1470. (On Time performance: 89 - Average Delay: 3 minutes)
United Airlines
- Flight Number: UA1168. (On Time performance: 16 - Average Delay: 34 minutes)
- Flight Number: UA1531. (On Time performance: 74 - Average Delay: 27 minutes)
- Flight Number: UA1811. (On Time performance: 53 - Average Delay: 36 minutes)
- Flight Number: UA2138. (On Time performance: 53 - Average Delay: 36 minutes)
- Flight Number: UA2428. (On Time performance: 96 - Average Delay: 2 minutes)
- Flight Number: UA2683. (On Time performance: 78 - Average Delay: 18 minutes)
- Flight Number: UA660. (On Time performance: 82 - Average Delay: 11 minutes)
- Flight Number: UA745. (On Time performance: 63 - Average Delay: 33 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 UA8138
Date
Departure
Arrival
Duration
Aircraft
Status
Monday
31 August
31 August
05:50 pm
Chicago (ORD)
Chicago (ORD)
07:39 pm
San Diego (SAN)
San Diego (SAN)
03h 49min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Sunday
30 August
30 August
04:23 pm
Chicago (ORD)
Chicago (ORD)
06:15 pm
San Diego (SAN)
San Diego (SAN)
03h 52min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Saturday
15 August
15 August
05:04 pm
Chicago (ORD)
Chicago (ORD)
06:44 pm
San Diego (SAN)
San Diego (SAN)
03h 40min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Friday
14 August
14 August
11:49 pm
San Francisco (SFO)
San Francisco (SFO)
12:58 am
San Diego (SAN)
San Diego (SAN)
03h 09min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Tuesday
11 August
11 August
04:58 pm
Chicago (ORD)
Chicago (ORD)
06:35 pm
San Diego (SAN)
San Diego (SAN)
03h 37min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
