35 active days
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Tracked directional route
LHR → SEA
London Heathrow Airport → Seattle-Tacoma International Airport
LHR
EGLLLondon Heathrow AirportOpen live airport profile →DestinationSEA
KSEASeattle-Tacoma International AirportOpen live airport profile →View return routeSEA → LHRAnalysis window
Aug 20 – Sep 24, 2026
Every derived statistic, trend, operator and tail number breakdown, flight observation, and mapped path below uses this flight-date window.
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4,889 mi avg per flight
9 hr 25 min average
Average across flights included in analytics
5 flight numbers
Tracked activity
Aug 20 – Sep 24, 2026 · 35 active days
Flights132
Aug 20
Aug 21
Aug 22
Aug 23
Aug 24
Aug 25
Aug 26
Aug 27
Aug 28
Aug 29
Aug 30
Aug 31
Sep 1
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Sep 3
Sep 4
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Sep 11
Sep 12
Sep 13
Sep 14
Sep 15
Sep 16
Sep 17
Sep 18
Sep 19
Sep 20
Sep 21
Sep 22
Sep 23
Observed operators
Operators tracked on LHR → SEA
Operator activity within Aug 20 – Sep 24, 2026.
| Operator | Flights | Flight numbers | Tail numbers | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| 40 | 2 | 19 | 195,030 mi | Aug 20, 2026, 4:06 PM UTC | Sep 24, 2026, 2:45 AM UTC | |
| 33 | 1 | 10 | 161,614 mi | Aug 20, 2026, 11:43 AM UTC | Sep 23, 2026, 8:45 PM UTC | |
| 32 | 1 | 5 | 156,494 mi | Aug 20, 2026, 4:47 PM UTC | Sep 24, 2026, 2:35 AM UTC | |
| 27 | 1 | 19 | 132,259 mi | Aug 21, 2026, 5:10 PM UTC | Sep 24, 2026, 3:10 AM UTC |
Observed services
Flight numbers tracked on LHR → SEA
Open a flight number for its complete tracked profile.
| Flight number | Flights | Tail numbers | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|
| 33 | 14 | 161,660 mi | Aug 20, 2026, 4:06 PM UTC | Sep 24, 2026, 2:45 AM UTC | |
| 33 | 10 | 161,614 mi | Aug 20, 2026, 11:43 AM UTC | Sep 23, 2026, 8:45 PM UTC | |
| 32 | 5 | 156,494 mi | Aug 20, 2026, 4:47 PM UTC | Sep 24, 2026, 2:35 AM UTC | |
| 27 | 19 | 132,259 mi | Aug 21, 2026, 5:10 PM UTC | Sep 24, 2026, 3:10 AM UTC | |
| 7 | 5 | 33,369 mi | Aug 24, 2026, 9:40 AM UTC | Sep 21, 2026, 6:58 PM UTC |
Observed tail numbers
Tail numbers tracked on LHR → SEA
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Flight numbers | Tracked distance | Last observed |
|---|---|---|---|---|---|
| B789 | 8 | 1 | 39,081 mi | Sep 23, 2026, 2:18 AM UTC | |
| B789 | 8 | 1 | 38,976 mi | Sep 21, 2026, 2:16 AM UTC | |
| B789 | 8 | 1 | 39,325 mi | Sep 16, 2026, 1:49 AM UTC | |
| A339 | 7 | 1 | 34,332 mi | Sep 23, 2026, 8:45 PM UTC | |
| A339 | 7 | 1 | 34,383 mi | Sep 21, 2026, 9:06 PM UTC | |
| A339 | 5 | 1 | 24,367 mi | Sep 24, 2026, 3:10 AM UTC |
Observed aircraft types
Aircraft types tracked on LHR → SEA
Observed flights grouped by aircraft designator and matched to the aircraft reference catalog.
| Type | Aircraft name | Flights | Makeup | Tail numbers | Tracked distance | Operators | Flight numbers | First observed | Last observed |
|---|---|---|---|---|---|---|---|---|---|
| A339 | Airbus A330-900neo | 55 | 41.7% | 25 | 269,527 mi | 2 | 2 | Aug 21, 2026, 11:02 AM UTC | Sep 24, 2026, 3:10 AM UTC |
| B77W | Boeing 777-300ER | 33 | 25.0% | 14 | 161,660 mi | 1 | 1 | Aug 20, 2026, 4:06 PM UTC | Sep 24, 2026, 2:45 AM UTC |
| B789 | Boeing 787-9 Dreamliner | 32 | 24.2% | 5 | 156,494 mi | 1 | 1 | Aug 20, 2026, 4:47 PM UTC | Sep 24, 2026, 2:35 AM UTC |
| B78X | Boeing 787-10 Dreamliner | 7 | 5.3% | 5 | 33,369 mi | 1 | 1 | Aug 24, 2026, 9:40 AM UTC | Sep 21, 2026, 6:58 PM UTC |
| A333 | Airbus A330-300 | 5 | 3.8% | 4 | 24,345 mi | 1 | 1 | Aug 20, 2026, 11:43 AM UTC | Sep 8, 2026, 8:57 PM UTC |
Observation log
Flight observations
Latest 100 flights on LHR → SEA within Aug 20 – Sep 24, 2026