| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 17 | BOS | YTZ | 19:40 | 21:39 |
Delayed
|
Track > |
| Aug 16 | BOS | YTZ | 21:13 | 22:37 |
Landed Late
|
Track > |
| Aug 15 | BOS | YTZ | 20:32 | 21:56 |
Landed Late
|
Track > |
| Aug 14 | BOS | YTZ | 19:53 | 21:21 |
Landed
|
Track > |
| Aug 13 | BOS | YTZ | 20:39 | 22:14 |
Landed Late
|
Track > |
| Aug 12 | BOS | YTZ | 19:40 | 21:39 |
Delayed >1h
|
Track > |
| Aug 11 | BOS | YTZ | 21:13 | 22:40 |
Delayed
|
Track > |
| Aug 10 | BOS | YTZ | 21:12 | 22:37 |
Delayed
|
Track > |
| Aug 09 | BOS | YTZ | 20:47 | 22:14 |
Landed Late
|
Track > |
| Aug 08 | BOS | YTZ | 19:40 | 21:39 |
Scheduled
|
Track > |
United Airlines Flight UA8666 connects Boston, United States to Toronto, Canada, taking off from Boston Logan International Airport BOS and landing at Toronto City Billy Bishop Airport YTZ.
How long is the UA8666 flight from Boston to Toronto?
The average flight time from Boston to Toronto is 1 hour and 27 minutes. The flight distance is 696 km / 433 miles and the average flight speed is 441 km/h / 274 mph.
How many UA8666 flights are operated per week?
6 flights per week. The flight UA8666 is operated on Monday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA8666 Boston to Toronto?
The Airportia On-Time Performance Rating for United Airlines Flight UA8666 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA8666 flight?
The latest flight took off on Tuesday, August 18th, 2026 with the flight status being Scheduled on 21:39.
How else can the flight UA8666 be referenced as?
This United Airlines flight can also be referenced as UAL8666, UA 8666, UAL 8666.
How often is flight UA8666 delayed?
On average, 60% of all UA8666 flights are delayed. The average delay is 44 minutes.
Can I get compensation for my delayed or cancelled UA8666 flight or baggage issues?
If your UA8666 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 UA8666 Flight Tracker above for more details.
Other flights departing from Boston BOS: QK8545, AA1004, AC8545, YX5807
Other flights arriving at Toronto YTZ: QK8545, PD2264, PD2486, AC8545
All flights connecting Boston BOS to Toronto YTZ.