En-Route
Departure: Wed, Jun 3, 2026
Scheduled:
17:40
|
Actual:
17:50
Arrival: Wed, Jun 3, 2026
Scheduled:
20:20
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EK 4840 Flight Status & Schedule

Date Departure Arrival Status
Jun 03 17:50 20:20
En-Route
Track >
Jun 02 18:09 20:02
Landed
Track >
Jun 01 18:03 20:06
Landed
Track >
May 31 18:32 20:40
Landed Late
Track >
May 30 18:29 20:22
Landed
Track >

Emirates EK 4840 Lisbon to Boston Flight Information

Emirates Flight EK4840 connects Lisbon, Portugal to Boston, United States, taking off from Lisbon Humberto Delgado Airport LIS and landing at Boston Logan International Airport BOS.

How long is the EK4840 flight from Lisbon to Boston?

The average flight time from Lisbon to Boston is 6 hours and 49 minutes. The flight distance is 5124 km / 3184 miles and the average flight speed is 743 km/h / 462 mph.

How many EK4840 flights are operated per week?

6 flights per week. The flight EK4840 is operated on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday.

What is the On-Time Performance (OTP) of Emirates Flight EK4840 Lisbon to Boston?

The Airportia On-Time Performance Rating for Emirates Flight EK4840 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight EK4840 arriving at?

Flight EK4840 arrives at Boston Logan International Airport (BOS) Terminal E.

When was the latest EK4840 flight?

The latest flight took off on Thursday, June 4th, 2026 with the flight status being En-Route on 20:20.

How else can the flight EK4840 be referenced as?

This Emirates flight can also be referenced as UAE4840, EK 4840, UAE 4840.

How often is flight EK4840 delayed?

On average, 20% of all EK4840 flights are delayed. The average delay is 11 minutes.

Can I get compensation for my delayed or cancelled EK4840 flight or baggage issues?

If your EK4840 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 EK4840 Flight Tracker above for more details.

EK4840 and Lisbon LIS to Boston BOS Flights

Other flights departing from Lisbon LIS: TP215, TP261, FR790, TP203

Other flights arriving at Boston BOS: TP215, TP227, AM640, B62754

All flights connecting Lisbon LIS to Boston BOS.

EK4840 Emirates Flight: Lisbon to Boston Route Map

EK4840 Emirates Flight Map: Lisbon 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.