| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 25 | SEA | ONT | 21:31 | 23:31 |
Landed
|
Track > |
| Oct 24 | SEA | ONT | 22:27 | 00:38 |
Landed Late
|
Track > |
| Oct 23 | SEA | ONT | 21:25 | 00:03 |
Cancelled
|
Track > |
| Claim > | ||||||
| Oct 22 | SEA | ONT | 21:34 | 23:35 |
Landed
|
Track > |
| Oct 21 | SEA | ONT | 21:31 | 23:51 |
Landed
|
Track > |
| Oct 20 | SEA | ONT | 22:55 | 01:07 |
Delayed
|
Track > |
| Oct 19 | SEA | ONT | 21:36 | 23:34 |
Landed
|
Track > |
| Oct 18 | SEA | ONT | 21:30 | 23:40 |
Landed
|
Track > |
| Oct 17 | SEA | ONT | 22:02 | 00:03 |
Landed
|
Track > |
| Oct 16 | SEA | ONT | 22:07 | 00:05 |
Landed
|
Track > |
Qatar Airways Flight QR4277 connects Seattle, United States to Ontario, United States, taking off from Seattle Tacoma International Airport SEA and landing at Ontario International Airport ONT.
How long is the QR4277 flight from Seattle to Ontario?
The average flight time from Seattle to Ontario is 2 hours and 5 minutes. The flight distance is 1540 km / 957 miles and the average flight speed is 723 km/h / 449 mph.
What is the On-Time Performance (OTP) of Qatar Airways Flight QR4277 Seattle to Ontario?
The Airportia On-Time Performance Rating for Qatar Airways Flight QR4277 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight QR4277 arriving at?
Flight QR4277 arrives at Ontario International Airport (ONT) Terminal 2.
When was the latest QR4277 flight?
The latest flight took off on Sunday, October 26th, 2025 with the flight status being Landed on 23:31.
How else can the flight QR4277 be referenced as?
This Qatar Airways flight can also be referenced as QTR4277, QR 4277, QTR 4277.
How often is flight QR4277 delayed?
On average, 30% of all QR4277 flights are delayed. The average delay is 33 minutes.
Can I get compensation for my delayed or cancelled QR4277 flight or baggage issues?
If your QR4277 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 QR4277 Flight Tracker above for more details.
Other flights departing from Seattle SEA: AS1292, AS1003, AS2122, AS1152
Other flights arriving at Ontario ONT: AS1003, AS1066, 8C3598, HA2606
All flights connecting Seattle SEA to Ontario ONT.
