/ Flights / Volaris / Y42521

Y42521 Flight Status Volaris: Ontario to Seattle (VOI2521)

Y4 2521 Ontario to Seattle Flight Status

Volaris Flight Y42521 from Ontario International Airport ONT to Seattle Tacoma International Airport SEA is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on November 17th, 2025.
Check the table below for Y42521's most recent flight history:

Y4 2521 Flight Status & Schedule

Date Departure Arrival Status
Nov 17 08:00 10:13
Landed
 Track >
Nov 16 08:03 10:22
Landed
 Track >
Nov 14 08:03 10:20
Landed
 Track >
< All ONT Departures All SEA Arrivals >

Volaris Y4 2521 Ontario to Seattle Flight Information

Volaris Flight Y42521 connects Ontario, United States to Seattle, United States, taking off from Ontario International Airport ONT and landing at Seattle Tacoma International Airport SEA.

How long is the Y42521 flight from Ontario to Seattle?

The average flight time from Ontario to Seattle is 2 hours and 16 minutes. The flight distance is 1540 km / 957 miles and the average flight speed is 678 km/h / 421 mph.

What is the On-Time Performance (OTP) of Volaris Flight Y42521 Ontario to Seattle?

The Airportia On-Time Performance Rating for Volaris Flight Y42521 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight Y42521 arriving at?

Flight Y42521 arrives at Seattle Tacoma International Airport (SEA) Terminal E.

When was the latest Y42521 flight?

The latest flight took off on Monday, November 17th, 2025 with the flight status being Landed on 10:13.

How else can the flight Y42521 be referenced as?

This Volaris flight can also be referenced as VOI2521, Y4 2521, VOI 2521.

How often is flight Y42521 delayed?

On average, 0% of all Y42521 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled Y42521 flight or baggage issues?

If your Y42521 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our Y42521 Flight Tracker above for more details.

Y42521 and Ontario ONT to Seattle SEA Flights

Other flights departing from Ontario ONT: F93164, F93335, A81902, GB4199

Other flights arriving at Seattle SEA: AA2069, F93164, AS3431, AS1384

All flights connecting Ontario ONT to Seattle SEA.

Y42521 Volaris Flight: Ontario to Seattle Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: AC7006 MS6109 N8718 WN4973 PF7792 TK6754 TK5324 B5444 7F169 3U9806
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.