Informational Guide to San Francisco Airport (SFO) - NON OFFICIAL

UA1839 United Airlines - Flight Status

Codeshare Flights
The flight NZ9325 from Air New Zealand (NZ) is a codeshare flight operated by United Airlines (UA) under the flight number UA1839. Check this page for details about flight UA1839.

Below, you can find details about United Airlines flight UA1839, which currently operates between the airports of Chicago - Chicago O'Hare International Airport (Airport Code ORD) and San Francisco - San Francisco International Airport (Airport Code SFO).
This flight data pertains specifically to the flight's details for Monday, August 24, 2026.

UA1839 On Time performance:
33
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

UA1839 United Airlines from Chicago

Landed - On-time
Flight Status for Monday August 24, 2026
This flight is also scheduled for Today (August 25, 2026). See it here
This flight is also scheduled for Tomorrow (August 26, 2026). See it here

Airline information

United Airlines
United Airlines
Equipment: Airbus A321neo

Departure

Chicago (ORD)
August 24, 2026
Chicago O'Hare International Airport
Departed at:
12:51 pm
Terminal:
1
Gate:
B7
Scheduled Departure Time: 12:51 pm

Arrival

San Francisco (SFO)
August 24, 2026
San Francisco International Airport
Arrived at:
03:18 pm
Terminal:
3
Gate:
F15
Scheduled Arrival Time: 03:35 pm
Baggage: 9
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.airport-sfo.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:

- AC5269 - Air Canada

- NZ9325 - Air New Zealand

- VA8088 - Virgin Australia

Additional Information

Which is the frequency of flight UA1839?
The flight UA1839 is scheduled to flight on daily basis.

Which is the distance of flight UA1839?
The distance between the two airports is 1843 miles.

Which is the flight time of flight UA1839?
The scheduled flight time gate to gate is: 04:44 hours.
The real flight time gate to gate on average is: 05:00 hours.

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: 2026-08-25 18:34:11
Current Time in San Francisco: 2026-08-25 16:34:11

Alternative Flights

The following airlines serves the same route between Chicago and San Francisco:

American Airlines
- Flight Number: AA1253. (On Time performance: 51 - Average Delay: 34 minutes)
- Flight Number: AA1586. (On Time performance: 54 - Average Delay: 22 minutes)
- Flight Number: AA1620. (On Time performance: 30 - Average Delay: 57 minutes)
- Flight Number: AA1649. (On Time performance: 25 - Average Delay: 66 minutes)
- Flight Number: AA1851. (On Time performance: 25 - Average Delay: 47 minutes)
- Flight Number: AA2543. (On Time performance: 87 - Average Delay: 7 minutes)
- Flight Number: AA2550. (On Time performance: 41 - Average Delay: 79 minutes)
- Flight Number: AA2885. (On Time performance: 80 - Average Delay: 9 minutes)
- Flight Number: AA3054. (On Time performance: 32 - Average Delay: 50 minutes)
- Flight Number: AA3115. (On Time performance: 33 - Average Delay: 32 minutes)
- Flight Number: AA3141. (On Time performance: 17 - Average Delay: 73 minutes)

United Airlines
- Flight Number: UA1116. (On Time performance: 85 - Average Delay: 11 minutes)
- Flight Number: UA1334. (On Time performance: 61 - Average Delay: 41 minutes)
- Flight Number: UA1495. (On Time performance: 38 - Average Delay: 46 minutes)
- Flight Number: UA1577. (On Time performance: 66 - Average Delay: 31 minutes)
- Flight Number: UA2040.
- Flight Number: UA2106. (On Time performance: 70 - Average Delay: 22 minutes)
- Flight Number: UA2179. (On Time performance: 36 - Average Delay: 43 minutes)
- Flight Number: UA2251. (On Time performance: 66 - Average Delay: 28 minutes)
- Flight Number: UA246. (On Time performance: 92 - Average Delay: 5 minutes)
- Flight Number: UA2610. (On Time performance: 51 - Average Delay: 56 minutes)
- Flight Number: UA342. (On Time performance: 50 - Average Delay: 23 minutes)
- Flight Number: UA511. (On Time performance: 58 - Average Delay: 38 minutes)
- Flight Number: UA543. (On Time performance: 53 - Average Delay: 41 minutes)
- Flight Number: UA649. (On Time performance: 23 - Average Delay: 58 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from August 11, 2026 to August 16, 2026, we have obtained these figures.
Total number of flights: 6
On Time: 2 ( 33 % )
Moderate Delay: 1 ( 17 % )
Significant Delay: 0 ( 0 % )
Major Delay: 3 ( 50 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 82 minutes.
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 UA1839

Date
Departure
Arrival
Duration
Aircraft
Status
Monday
24 August
12:51 pm
Chicago (ORD)
03:18 pm
San Francisco (SFO)
04h 27min
Airbus A321neo
Airbus A321neo
Landed - On-time
Sunday
23 August
01:12 pm
Chicago (ORD)
04:08 pm
San Francisco (SFO)
04h 56min
Airbus A321neo
Airbus A321neo
Landed - Delayed
Saturday
22 August
12:47 pm
Chicago (ORD)
03:20 pm
San Francisco (SFO)
04h 33min
Airbus A321neo
Airbus A321neo
Landed - On-time
Friday
21 August
01:30 pm
Chicago (ORD)
04:57 pm
San Francisco (SFO)
05h 27min
Airbus A321neo
Airbus A321neo
Landed - Delayed
Thursday
20 August
12:47 pm
Chicago (ORD)
03:31 pm
San Francisco (SFO)
04h 44min
Airbus A321neo
Airbus A321neo
Landed - On-time
Wednesday
19 August
12:48 pm
Chicago (ORD)
03:24 pm
San Francisco (SFO)
04h 36min
Airbus A321neo
Airbus A321neo
Landed - On-time
Tuesday
18 August
12:45 pm
Chicago (ORD)
03:22 pm
San Francisco (SFO)
04h 37min
Airbus A321neo
Airbus A321neo
Landed - On-time
Monday
17 August
01:08 pm
Chicago (ORD)
04:13 pm
San Francisco (SFO)
05h 05min
Airbus A321neo
Airbus A321neo
Landed - Delayed
Sunday
16 August
12:48 pm
Chicago (ORD)
03:43 pm
San Francisco (SFO)
04h 55min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Saturday
15 August
12:48 pm
Chicago (ORD)
03:30 pm
San Francisco (SFO)
04h 42min
Airbus A321neo
Airbus A321neo
Landed - On-time