UA540 United Airlines - Flight Status
Below, you can find details about United Airlines flight UA540, which currently operates between the airports of Raleigh/Durham - Raleigh-Durham International Airport (Airport Code RDU) and San Francisco - San Francisco International Airport (Airport Code SFO).
This flight data pertains specifically to the flight's details for Wednesday, May 27, 2026.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA540
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA540
UA540 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
UA540 United Airlines from Raleigh/Durham
En Route - On-time
Flight Status for Wednesday May 27, 2026
This flight is also scheduled for Tomorrow (May 28, 2026). See it here
En Route - On-time
Flight Status for Wednesday May 27, 2026
Airline information
United Airlines
Equipment: Boeing 737MAX 8 Passenger
Departure
Raleigh/Durham (RDU)
May 27, 2026
Raleigh-Durham International Airport
Departed at:
06:28 am
Terminal:
2
Gate:
D13
Scheduled Departure Time: 06:35 am
Arrival
San Francisco (SFO)
May 27, 2026
San Francisco International Airport
Estimated Arrival Time:
08:54 am
Terminal:
3
Gate:
E12
Scheduled Arrival Time: 09:17 am
Baggage: 5
Disclaimer
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Codeshare Flights
This flight is shared with other airlines, this means that these other flights are the same:
- NZ9557 - Air New Zealand
- VA8527 - Virgin Australia
Additional Information
Which is the frequency of flight UA540?
The flight UA540 is scheduled to flight on daily basis.
Which is the distance of flight UA540?
The distance between the two airports is 2396 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 Raleigh/Durham: 2026-05-27 10:08:50
Current Time in San Francisco: 2026-05-27 07:08:50
The flight UA540 is scheduled to flight on daily basis.
Which is the distance of flight UA540?
The distance between the two airports is 2396 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 Raleigh/Durham: 2026-05-27 10:08:50
Current Time in San Francisco: 2026-05-27 07:08:50
Alternative Flights
The following airline serve the same route between Raleigh/Durham and San Francisco:
United Airlines - Flight Number: UA1769. (On Time performance: 62 - Average Delay: 29 minutes)
United Airlines - Flight Number: UA1769. (On Time performance: 62 - Average Delay: 29 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 UA540
Date
Departure
Arrival
Duration
Aircraft
Status
Monday
25 May
25 May
06:28 am
Raleigh/Durham (RDU)
Raleigh/Durham (RDU)
08:56 am
San Francisco (SFO)
San Francisco (SFO)
05h 28min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Sunday
24 May
24 May
06:37 am
Raleigh/Durham (RDU)
Raleigh/Durham (RDU)
09:08 am
San Francisco (SFO)
San Francisco (SFO)
05h 31min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Saturday
23 May
23 May
06:30 am
Raleigh/Durham (RDU)
Raleigh/Durham (RDU)
09:03 am
San Francisco (SFO)
San Francisco (SFO)
05h 33min
Boeing 737-800
Boeing 737-800
Landed - On-time
Friday
22 May
22 May
06:53 am
Raleigh/Durham (RDU)
Raleigh/Durham (RDU)
09:43 am
San Francisco (SFO)
San Francisco (SFO)
05h 50min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Thursday
21 May
21 May
06:34 am
Raleigh/Durham (RDU)
Raleigh/Durham (RDU)
09:01 am
San Francisco (SFO)
San Francisco (SFO)
05h 27min
Boeing 737MAX
Boeing 737MAX
Landed - On-time