UA1277 United Airlines - Flight Status
Codeshare Flights
The flight NZ9160 from Air New Zealand (NZ) is a codeshare flight operated by United Airlines (UA) under the flight number UA1277. Check this page for details about flight UA1277.
Below, you can find details about United Airlines flight UA1277, which currently operates between the airports of San Francisco - San Francisco International Airport (Airport Code SFO) and Dulles - Washington Dulles International Airport (Airport Code IAD).
This flight data pertains specifically to the flight's details for Sunday, May 17, 2026.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA1277
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA1277
UA1277 On Time performance:
100
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
UA1277 United Airlines to Dulles
Landed - On-time
Flight Status for Sunday May 17, 2026
This flight is also scheduled for Today (May 18, 2026). See it here
This flight is also scheduled for Tomorrow (May 19, 2026). See it here
Landed - On-time
Flight Status for Sunday May 17, 2026
Airline information
United Airlines
Equipment: Boeing 757-300 (winglets) Passenger
Departure
San Francisco (SFO)
May 17, 2026
San Francisco International Airport
Departed at:
06:31 am
Terminal:
3
Gate:
F14
Scheduled Departure Time: 06:30 am
Arrival
Dulles (IAD)
May 17, 2026
Washington Dulles International Airport
Arrived at:
02:28 pm
Terminal:
-
Gate:
D3
Scheduled Arrival Time: 02:44 pm
Baggage: 3
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:
- AZ4453 - ITA Airways
- NZ9160 - Air New Zealand
Additional Information
Which is the frequency of flight UA1277?
The flight UA1277 is scheduled to flight on daily basis.
Which is the distance of flight UA1277?
The distance between the two airports is 2415 miles.
Which is the flight time of flight UA1277?
The scheduled flight time gate to gate is: 05:14 hours.
The real flight time gate to gate on average is: 04:56 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 San Francisco: 2026-05-18 01:01:43
Current Time in Dulles: 2026-05-18 04:01:43
The flight UA1277 is scheduled to flight on daily basis.
Which is the distance of flight UA1277?
The distance between the two airports is 2415 miles.
Which is the flight time of flight UA1277?
The scheduled flight time gate to gate is: 05:14 hours.
The real flight time gate to gate on average is: 04:56 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 San Francisco: 2026-05-18 01:01:43
Current Time in Dulles: 2026-05-18 04:01:43
Alternative Flights
The following airline serve the same route between San Francisco and Dulles:
United Airlines - Flight Number: UA1453. (On Time performance: 87 - Average Delay: 3 minutes)
United Airlines - Flight Number: UA1453. (On Time performance: 87 - Average Delay: 3 minutes)
Punctuality and delays
We have gathered data from recent months and present below an analysis of how timely the flights have been.
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
In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from April 30, 2026 to May 15, 2026, we have obtained these figures.
Total number of flights: 16
On Time: 16 ( 100 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 0 ( 0 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 0 minutes.
Total number of flights: 16
On Time: 16 ( 100 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 0 ( 0 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 0 minutes.
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 UA1277
Date
Departure
Arrival
Duration
Aircraft
Status
Sunday
17 May
17 May
06:31 am
San Francisco (SFO)
San Francisco (SFO)
02:28 pm
Dulles (IAD)
Dulles (IAD)
04h 57min
Boeing 757-300
Boeing 757-300
Landed - On-time
Saturday
16 May
16 May
06:28 am
San Francisco (SFO)
San Francisco (SFO)
02:26 pm
Dulles (IAD)
Dulles (IAD)
04h 58min
Boeing 757-300
Boeing 757-300
Landed - On-time
Friday
15 May
15 May
06:30 am
San Francisco (SFO)
San Francisco (SFO)
02:28 pm
Dulles (IAD)
Dulles (IAD)
04h 58min
Boeing 757-300
Boeing 757-300
Landed - On-time
Thursday
14 May
14 May
06:26 am
San Francisco (SFO)
San Francisco (SFO)
02:41 pm
Dulles (IAD)
Dulles (IAD)
05h 15min
Boeing 757-300
Boeing 757-300
Landed - On-time
Wednesday
13 May
13 May
06:24 am
San Francisco (SFO)
San Francisco (SFO)
02:18 pm
Dulles (IAD)
Dulles (IAD)
04h 54min
Boeing 757-300
Boeing 757-300
Landed - On-time
Tuesday
12 May
12 May
06:24 am
San Francisco (SFO)
San Francisco (SFO)
02:31 pm
Dulles (IAD)
Dulles (IAD)
05h 07min
Boeing 757-300
Boeing 757-300
Landed - On-time
Monday
11 May
11 May
06:39 am
San Francisco (SFO)
San Francisco (SFO)
02:34 pm
Dulles (IAD)
Dulles (IAD)
04h 55min
Boeing 757-300
Boeing 757-300
Landed - On-time
Sunday
10 May
10 May
06:25 am
San Francisco (SFO)
San Francisco (SFO)
02:09 pm
Dulles (IAD)
Dulles (IAD)
04h 44min
Airbus A321neo
Airbus A321neo
Landed - On-time
Saturday
09 May
09 May
06:30 am
San Francisco (SFO)
San Francisco (SFO)
02:18 pm
Dulles (IAD)
Dulles (IAD)
04h 48min
Boeing 757-300
Boeing 757-300
Landed - On-time
Friday
08 May
08 May
06:30 am
San Francisco (SFO)
San Francisco (SFO)
02:41 pm
Dulles (IAD)
Dulles (IAD)
05h 11min
Boeing 757-300
Boeing 757-300
Landed - On-time