TP 4340 Chicago to Boston Flight Status

TAP Portugal Flight TP4340 from Chicago O'Hare International Airport ORD to Boston Logan International Airport BOS is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on May 18th, 2026.
Check the table below for TP4340's most recent flight history:

TP 4340 Flight Status & Schedule

Date Departure Arrival Status
May 18 07:23 10:14
Landed
Track >

TAP Portugal TP 4340 Chicago to Boston Flight Information

TAP Portugal Flight TP4340 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 TP4340 flight from Chicago to Boston?

The average flight time from Chicago to Boston is 1 hour and 51 minutes. The flight distance is 1391 km / 864 miles and the average flight speed is 752 km/h / 467 mph.

What is the On-Time Performance (OTP) of TAP Portugal Flight TP4340 Chicago to Boston?

The Airportia On-Time Performance Rating for TAP Portugal Flight TP4340 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight TP4340 arriving at?

Flight TP4340 arrives at Boston Logan International Airport (BOS) Terminal C.

When was the latest TP4340 flight?

The latest flight took off on Monday, May 18th, 2026 with the flight status being Landed on 10:14.

How else can the flight TP4340 be referenced as?

This TAP Portugal flight can also be referenced as TAP4340, TP 4340, TAP 4340.

How often is flight TP4340 delayed?

On average, 0% of all TP4340 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled TP4340 flight or baggage issues?

If your TP4340 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 TP4340 Flight Tracker above for more details.

TP4340 and Chicago ORD to Boston BOS Flights

Other flights departing from Chicago ORD: B61012, OO5864, UA3618, UA5864

Other flights arriving at Boston BOS: B62840, G41355, B61012, UA1976

All flights connecting Chicago ORD to Boston BOS.

TP4340 TAP Portugal Flight: Chicago to Boston Route Map

TP4340 TAP Portugal Flight Map: Chicago to Boston
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.