Airport Tips & Quick Reference Guide to Toronto Pearson Airport (YYZ)

UA3559 United Airlines - Flight Status

Codeshare Flights
The flight AC3504 from Air Canada (AC) is a codeshare flight operated by United Airlines (UA) under the flight number UA3559. Check this page for details about flight UA3559.

Below, you can find details about United Airlines flight UA3559, which currently operates between the airports of Toronto - Toronto Pearson International Airport (Airport Code YYZ) and Dulles - Washington Dulles International Airport (Airport Code IAD).
This flight data pertains specifically to the flight's details for Tuesday, May 12, 2026.

UA3559 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

UA3559 United Airlines to Dulles

Landed - On-time
Flight Status for Tuesday May 12, 2026
This flight was also scheduled for Yesterday (May 11, 2026). See it here
This flight is also scheduled for Tomorrow (May 13, 2026). See it here

Airline information

United Airlines
United Airlines
Equipment: Embraer 175 (Enhanced Winglets)

Departure

Toronto (YYZ)
May 12, 2026
Toronto Pearson International Airport
Departed at:
12:38 pm
Terminal:
1
Gate:
F97
Scheduled Departure Time: 12:45 pm

Arrival

Dulles (IAD)
May 12, 2026
Washington Dulles International Airport
Arrived at:
02:01 pm
Terminal:
-
Gate:
C22
Scheduled Arrival Time: 02:24 pm
Baggage: 5
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.torontoairport.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:

- AC3504 - Air Canada

- CM2806 - Copa Airlines

Additional Information

Which is the frequency of flight UA3559?
The flight UA3559 is scheduled to flight on daily basis.

Which is the distance of flight UA3559?
The distance between the two airports is 346 miles.

Which is the flight time of flight UA3559?
The scheduled flight time gate to gate is: 01:39 hours.
The real flight time gate to gate on average is: 01:27 hours.

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 Toronto and Dulles:

Air Canada
- Flight Number: AC8616. (On Time performance: 69 - Average Delay: 20 minutes)
- Flight Number: AC8618. (On Time performance: 76 - Average Delay: 14 minutes)

United Airlines
- Flight Number: UA3466. (On Time performance: 75 - Average Delay: 16 minutes)
- Flight Number: UA3636. (On Time performance: 81 - Average Delay: 10 minutes)
- Flight Number: UA3637. (On Time performance: 83 - Average Delay: 14 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 March 29, 2026 to May 09, 2026, we have obtained these figures.
Total number of flights: 38
On Time: 38 ( 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 Weekday: We have gathered available data from last six months, spanning from March 29, 2026 to May 09, 2026. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Note: We have excluded some days from the graph, since the quantity and quality of the data is not representative enough.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from March 29, 2026 to April 30, 2026. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.

Last Past Flights UA3559

Date
Departure
Arrival
Duration
Aircraft
Status
Monday
11 May
12:43 pm
Toronto (YYZ)
02:18 pm
Dulles (IAD)
01h 35min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Sunday
10 May
12:38 pm
Toronto (YYZ)
02:02 pm
Dulles (IAD)
01h 24min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Saturday
09 May
02:26 pm
Toronto (YYZ)
03:49 pm
Dulles (IAD)
01h 23min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Friday
08 May
12:36 pm
Toronto (YYZ)
01:59 pm
Dulles (IAD)
01h 23min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Thursday
07 May
12:35 pm
Toronto (YYZ)
02:11 pm
Dulles (IAD)
01h 36min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Wednesday
06 May
12:43 pm
Toronto (YYZ)
02:15 pm
Dulles (IAD)
01h 32min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Tuesday
05 May
12:38 pm
Toronto (YYZ)
02:09 pm
Dulles (IAD)
01h 31min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Monday
04 May
12:38 pm
Toronto (YYZ)
01:58 pm
Dulles (IAD)
01h 20min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Sunday
03 May
12:40 pm
Toronto (YYZ)
02:04 pm
Dulles (IAD)
01h 24min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Saturday
02 May
02:23 pm
Toronto (YYZ)
03:59 pm
Dulles (IAD)
01h 36min
Embraer 175 (E
Embraer 175 (E
Landed - On-time