| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 24 | ORD | BOS | 21:24 | 21:28 |
Unknown
|
Track > |
| Sep 23 | ORD | BOS | 18:38 | 21:21 |
Landed
|
Track > |
| Sep 22 | ORD | BOS | 18:38 | 21:28 |
Unknown
|
Track > |
| Sep 21 | ORD | BOS | 18:49 | 21:28 |
Unknown
|
Track > |
| Sep 20 | ORD | BOS | 19:05 | 22:00 |
Landed Late
|
Track > |
| Sep 19 | ORD | BOS | 18:40 | 21:28 |
Unknown
|
Track > |
| Sep 18 | ORD | BOS | 21:49 | 21:28 |
Unknown
|
Track > |
| Sep 17 | ORD | BOS | 18:28 | 21:25 |
Landed
|
Track > |
| Sep 16 | ORD | BOS | 18:27 | 21:21 |
Landed
|
Track > |
| Sep 15 | ORD | BOS | 19:13 | 22:21 |
Landed Late
|
Track > |
United Airlines Flight UA1531 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 UA1531 flight from Chicago to Boston?
The average flight time from Chicago to Boston is 1 hour and 55 minutes. The flight distance is 1391 km / 864 miles and the average flight speed is 640 km/h / 397 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA1531 Chicago to Boston?
The Airportia On-Time Performance Rating for United Airlines Flight UA1531 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA1531 arriving at?
Flight UA1531 arrives at Boston Logan International Airport (BOS) Terminal B.
When was the latest UA1531 flight?
The latest flight took off on Thursday, September 25th, 2025 with the flight status being Unknown on 21:28.
How else can the flight UA1531 be referenced as?
This United Airlines flight can also be referenced as UAL1531, UA 1531, UAL 1531.
How often is flight UA1531 delayed?
On average, 20% of all UA1531 flights are delayed. The average delay is 42 minutes.
Can I get compensation for my delayed or cancelled UA1531 flight or baggage issues?
If your UA1531 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 UA1531 Flight Tracker above for more details.
Flight UA1531 is code-shared by 3 airlines using the flight numbers AV2276, NH7794, NZ2089
Other flights departing from Chicago ORD: UA1911, UA5227, UA1258, UA2259
Other flights arriving at Boston BOS: WN2329, UA1393, WN2264, WN3168
All flights connecting Chicago ORD to Boston BOS.
