| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 03 | ORD | BOS | 20:06 | 23:03 |
Landed
|
Track > |
| Jun 02 | ORD | BOS | 19:51 | 22:52 |
Landed
|
Track > |
| Jun 01 | ORD | BOS | 19:46 | 22:33 |
Landed
|
Track > |
| May 31 | ORD | BOS | 19:43 | 22:27 |
Landed
|
Track > |
| May 30 | ORD | BOS | 19:24 | 22:18 |
Landed
|
Track > |
| May 29 | ORD | BOS | 19:33 | 22:21 |
Landed
|
Track > |
| May 28 | ORD | BOS | 19:34 | 22:28 |
Landed
|
Track > |
| May 27 | ORD | BOS | 19:39 | 22:22 |
Landed
|
Track > |
| May 26 | ORD | BOS | 22:19 | 22:54 |
En-Route
|
Track > |
| May 25 | ORD | BOS | 19:37 | 22:16 |
Landed
|
Track > |
Finnair Flight AY4231 connects Chicago, United States to Boston, United States, taking off from Chicago O'Hare International Airport ORD and landing at Boston Logan International Airport BOS.
How long is the AY4231 flight from Chicago to Boston?
The average flight time from Chicago to Boston is 1 hour and 49 minutes. The flight distance is 1391 km / 864 miles and the average flight speed is 742 km/h / 461 mph.
How many AY4231 flights are operated per week?
7 flights per week. The flight AY4231 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Finnair Flight AY4231 Chicago to Boston?
The Airportia On-Time Performance Rating for Finnair Flight AY4231 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AY4231 arriving at?
Flight AY4231 arrives at Boston Logan International Airport (BOS) Terminal B.
When was the latest AY4231 flight?
The latest flight took off on Thursday, June 4th, 2026 with the flight status being Landed on 23:03.
How else can the flight AY4231 be referenced as?
This Finnair flight can also be referenced as FIN4231, AY 4231, FIN 4231.
How often is flight AY4231 delayed?
On average, 10% of all AY4231 flights are delayed. The average delay is 9 minutes.
Can I get compensation for my delayed or cancelled AY4231 flight or baggage issues?
If your AY4231 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 AY4231 Flight Tracker above for more details.
Other flights departing from Chicago ORD: AA3107, AA2977, QR726, FI852
Other flights arriving at Boston BOS: B6396, DL5620, AA3107, DL2639
All flights connecting Chicago ORD to Boston BOS.