Flights London → Boston
LHR → BOS
Route overview
The flight route from London to Boston is operated using a variety of aircraft including the Boeing 747-400, Boeing 777, Boeing 767-400, Boeing 767, and Airbus A330-300. The destination airport in Boston sees over thirty-six million passengers annually, highlighting its significance as a major transportation hub.
The London (LHR) → Boston (BOS) route is operated by American Airlines, Air France, British Airways, Delta Air Lines, Iberia Airlines, KLM Royal Dutch Airlines. FlightGuard's average computed risk is 9.9/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Boston the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from London the average ATFM delay is 1.8 minutes.
Heading to Boston: what to expect in this direction
Flying from London (LHR) to Boston (BOS) heads west for about 5,240 km, a flight time of roughly 6h 58m.
Air-traffic congestion: departing London the average ATFM delay is 1.8 min (atfm); arriving into Boston it is 2.0 min (atfm).
Route facts
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Iberia Airlines (IB) | 86% | 17 min | 4.8% |
| KLM Royal Dutch Airlines (KL) | 84% | 20 min | 0.0% |
| Air France (AF) | 82% | 18 min | 3.3% |
| Delta Air Lines (DL) | 80% | 8 min | 1.8% |
| British Airways (BA) | 77% | 17 min | 2.4% |
| American Airlines (AA) | 74% | 16 min | 3.0% |
Airlines operating LHR-BOS
Airports
Frequently asked questions about LHR-BOS
Route-specific punctuality data isn't available yet. Check your flight on FlightGuard for a real-time analysis.
The cancellation rate varies by airline and season. Check your flight risk for an up-to-date estimate.
The route is operated by 6 airlines: American Airlines, Air France, British Airways, Delta Air Lines, Iberia Airlines, KLM Royal Dutch Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Boston, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
The London-Boston route is about 5,240 km: for a cancellation (with less than 14 days' notice), a delay over 3 hours, or denied boarding, UK261 compensation is £520, barring extraordinary circumstances.
