London (LHR) – Philadelphia (PHL)

Distance, flight time and the airlines that fly it, from open data.
Distance
5,705 km
3,545 mi · 3,080 nm
Flight time
7 h 49 min / 6 h 59 min
Average gate to gate: LHR → PHL / back
Time difference
5 h
CO2 per passenger
666 kg
One way, economy, incl. RF (394 kg CO2 only)
Passengers / year
440,122
Aug 2025 – Jul 2026 · −5.5%
Flights / week
36
Both directions, average
Seats filled
85%
520,471 seats a year
Airlines nonstop
2
AA, BA

Traffic: U.S. DOT, Bureau of Transportation Statistics, T-100 Segment (all carriers, scheduled service), Aug 2025 – Jul 2026. Distance: WGS-84 ellipsoid. CO2: UK DESNZ 2026 factors. Sources

Great circle from LHR to PHLLHRPHL
Shortest path over the earth's surface (great circle). Real flights bend around weather, winds and airspace.

The way there

Heading from LHR
288°
Heading from PHL
51°
Halfway point
52.12, -42.38
Great-circle km
5,690 km (sphere, for EU261)
In the air LHR → PHL
7 h 13 min
In the air PHL → LHR
6 h 26 min
Clocks
Philadelphia is 5 h behind London

The estimate for a route without real times is 7 h 30 min; how it is worked out is on Sources.

Passengers per month, both directions (Aug 2025 – Jul 2026)Busiest: August 2025: 46,862 passengers
020K40K60KAug46.9KSepOctNovDecJanFebMarAprMayJunJul
Show as a table
Month Passengers
Aug 202546,862
Sep 202542,540
Oct 202542,909
Nov 202529,294
Dec 202530,797
Jan 202627,203
Feb 202621,656
Mar 202630,808
Apr 202639,443
May 202643,059
Jun 202643,314
Jul 202642,237
Flights per month, both directions (Aug 2025 – Jul 2026)Busiest: May 2026: 188 flights
0100200AugSepOctNovDecJanFebMarAprMay188JunJul
Show as a table
Month Flights
Aug 2025181
Sep 2025180
Oct 2025175
Nov 2025122
Dec 2025122
Jan 2026118
Feb 2026104
Mar 2026130
Apr 2026181
May 2026188
Jun 2026180
Jul 2026188

Airlines flying LHR–PHL nonstop

Airline Flights / week Share of passengers
AAAmerican Airlines22
55%
BABritish Airways14
45%

Both directions, Aug 2025 – Jul 2026. Airlines with at least one flight a month. U.S. DOT, Bureau of Transportation Statistics, T-100 Segment (all carriers, scheduled service). Sources

Aircraft on this route

  • B787-900 Dreamliner · 1,125 flights
  • Airbus 350-1000 · 682 flights
  • Boeing 777-200ER/200LR/233LR · 40 flights
  • B787-800 Dreamliner · 19 flights
  • Boeing 777-300/300ER/333ER · 2 flights
  • Boeing 787-10 Dreamliner · 1 flight

Also carried: 14,514 tonnes of freight and 6 tonnes of mail a year (passenger and cargo flights).

Delay compensation (EU261 / UK261)

Measured by great-circle distance: 5,690 km.

LHR London → PHL Philadelphia

UK261£520 for arriving 3 hours or more late (£260 if 3–4 hours).

Covers any airline.

PHL Philadelphia → LHR London

UK261£520 for arriving 3 hours or more late (£260 if 3–4 hours).

Covers UK or EU airlines only.

Also owed for a cancellation with less than 14 days' notice or denied boarding. Not owed for extraordinary circumstances. On a connection, the distance to the final destination counts. From 23 October 2027 the EU's Regulation 2026/2202 applies; it keeps these amounts (what changes in 2027). Information, not legal advice.

Every airport pair between London and Philadelphia

PHL
LHR5,705
LGW5,734
STN5,736
LTN5,697
LCY5,738
SEN5,777

Kilometres. Linked numbers have a page of their own. All London airports

More routes from LHR

Route Distance Passengers / year
LHR → JFK5,555 km 2,984,474
LHR → DUB450 km 1,903,141
LHR → MAD1,243 km 1,550,044
LHR → AMS371 km 1,460,366
LHR → FRA656 km 1,410,787
LHR → LAX8,781 km 1,410,748
LHR → MUC944 km 1,304,262
LHR → IST2,493 km 1,281,925
LHR → ZRH790 km 1,147,298
LHR → CDG348 km 1,121,802

More routes from PHL

Route Distance Passengers / year
PHL → MCO1,386 km 1,701,841
PHL → ATL1,072 km 1,474,513
PHL → ORD1,091 km 1,241,613
PHL → DFW2,096 km 1,065,851
PHL → FLL1,597 km 992,476
PHL → BOS450 km 969,179
PHL → MIA1,630 km 963,501
PHL → CLT722 km 914,345
PHL → DEN2,507 km 912,013
PHL → TPA1,481 km 786,344

Questions

London (LHR) and Philadelphia (PHL) are 5,705 km (3,545 miles, 3,080 nautical miles) apart, measured along the shortest path over the earth's surface.