UA1939 United Airlines - Flight Status
Codeshare Flights
The flight AZ4474 from ITA Airways (AZ) is a codeshare flight operated by United Airlines (UA) under the flight number UA1939. Check this page for details about flight UA1939.
Below, you can find details about United Airlines flight UA1939, which currently operates between the airports of Portland - Portland International Airport (Airport Code PDX) and San Francisco - San Francisco International Airport (Airport Code SFO).
This flight data pertains specifically to the flight's details for Thursday, August 13, 2026.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA1939
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA1939
UA1939 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
UA1939 United Airlines from Portland
Scheduled - On-time
Flight Status for Thursday August 13, 2026
This flight was also scheduled for Yesterday (August 11, 2026). See it here
This flight is also scheduled for Today (August 12, 2026). See it here
Scheduled - On-time
Flight Status for Thursday August 13, 2026
Airline information
United Airlines
Equipment: Airbus A319
Departure
Portland (PDX)
August 13, 2026
Portland International Airport
Estimated Departure Time:
09:00 am
Terminal:
-
Gate:
E3
Scheduled Departure Time: 09:00 am
Arrival
San Francisco (SFO)
August 13, 2026
San Francisco International Airport
Estimated Arrival Time:
10:56 am
Terminal:
2
Gate:
D5
Scheduled Arrival Time: 10:56 am
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:
- AZ4474 - ITA Airways
- LH7863 - Lufthansa
- NH7313 - ANA All Nippon Airways
- NZ9354 - Air New Zealand
- TK9588 - Turkish Airlines
- VA8463 - Virgin Australia
Additional Information
Which is the frequency of flight UA1939?
The flight UA1939 is scheduled to flight on Monday, Thursday, Friday, Sunday on a weekly basis.
Which is the distance of flight UA1939?
The distance between the two airports is 551 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight UA1939 is scheduled to flight on Monday, Thursday, Friday, Sunday on a weekly basis.
Which is the distance of flight UA1939?
The distance between the two airports is 551 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
Alternative Flights
The following airlines serves the same route between Portland and San Francisco:
Alaska Airlines
- Flight Number: AS1445. (On Time performance: 51 - Average Delay: 21 minutes)
- Flight Number: AS2112. (On Time performance: 33 - Average Delay: 38 minutes)
- Flight Number: AS236. (On Time performance: 66 - Average Delay: 19 minutes)
- Flight Number: AS504. (On Time performance: 54 - Average Delay: 20 minutes)
- Flight Number: AS526. (On Time performance: 23 - Average Delay: 46 minutes)
United Airlines
- Flight Number: UA1596. (On Time performance: 55 - Average Delay: 31 minutes)
- Flight Number: UA1613. (On Time performance: 37 - Average Delay: 25 minutes)
- Flight Number: UA1656. (On Time performance: 24 - Average Delay: 40 minutes)
- Flight Number: UA1896. (On Time performance: 93 - Average Delay: 5 minutes)
- Flight Number: UA2279. (On Time performance: 40 - Average Delay: 33 minutes)
- Flight Number: UA2818. (On Time performance: 30 - Average Delay: 39 minutes)
Alaska Airlines
- Flight Number: AS1445. (On Time performance: 51 - Average Delay: 21 minutes)
- Flight Number: AS2112. (On Time performance: 33 - Average Delay: 38 minutes)
- Flight Number: AS236. (On Time performance: 66 - Average Delay: 19 minutes)
- Flight Number: AS504. (On Time performance: 54 - Average Delay: 20 minutes)
- Flight Number: AS526. (On Time performance: 23 - Average Delay: 46 minutes)
United Airlines
- Flight Number: UA1596. (On Time performance: 55 - Average Delay: 31 minutes)
- Flight Number: UA1613. (On Time performance: 37 - Average Delay: 25 minutes)
- Flight Number: UA1656. (On Time performance: 24 - Average Delay: 40 minutes)
- Flight Number: UA1896. (On Time performance: 93 - Average Delay: 5 minutes)
- Flight Number: UA2279. (On Time performance: 40 - Average Delay: 33 minutes)
- Flight Number: UA2818. (On Time performance: 30 - Average Delay: 39 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: We have gathered available data from last twelve closed months, spanning from August 03, 2025 to August 18, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
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: We have gathered available data from last twelve closed months, spanning from August 03, 2025 to August 18, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
Last Past Flights UA1939
Date
Departure
Arrival
Duration
Aircraft
Status
Tuesday
11 August
11 August
09:00 am
Portland (PDX)
Portland (PDX)
10:55 am
San Francisco (SFO)
San Francisco (SFO)
01h 55min
Boeing 737MAX
Boeing 737MAX
Landed - On-time