36 active days
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Tracked directional route
SEA → PHL
Seattle-Tacoma International Airport → Philadelphia International Airport
SEA
KSEASeattle-Tacoma International AirportOpen live airport profile →DestinationPHL
KPHLPhiladelphia International AirportOpen live airport profile →View return routePHL → SEAAnalysis 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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2,447 mi avg per flight
4 hr 31 min average
Average across flights included in analytics
6 flight numbers
Tracked activity
Aug 20 – Sep 24, 2026 · 36 active days
Flights192
Aug 20
Aug 21
Aug 22
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Aug 31
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Sep 23
Sep 24
Observed operators
Operators tracked on SEA → PHL
Operator activity within Aug 20 – Sep 24, 2026.
| Operator | Flights | Flight numbers | Tail numbers | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| 86 | 3 | 69 | 210,824 mi | Aug 20, 2026, 5:13 AM UTC | Sep 24, 2026, 10:35 AM UTC | |
| 70 | 2 | 61 | 171,401 mi | Aug 20, 2026, 4:48 AM UTC | Sep 24, 2026, 9:19 AM UTC | |
| 36 | 1 | 23 | 87,642 mi | Aug 20, 2026, 5:20 AM UTC | Sep 24, 2026, 9:19 AM UTC |
Observed services
Flight numbers tracked on SEA → PHL
Open a flight number for its complete tracked profile.
| Flight number | Flights | Tail numbers | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|
| 36 | 34 | 87,692 mi | Aug 20, 2026, 4:48 AM UTC | Sep 24, 2026, 9:19 AM UTC | |
| 36 | 23 | 87,642 mi | Aug 20, 2026, 5:20 AM UTC | Sep 24, 2026, 9:19 AM UTC | |
| 34 | 33 | 83,709 mi | Aug 20, 2026, 6:27 PM UTC | Sep 23, 2026, 10:17 PM UTC | |
| 33 | 32 | 80,530 mi | Aug 20, 2026, 5:13 AM UTC | Sep 24, 2026, 10:35 AM UTC | |
| 33 | 30 | 81,264 mi | Aug 20, 2026, 3:47 PM UTC | Sep 24, 2026, 12:34 AM UTC | |
| 20 | 18 | 49,030 mi | Aug 21, 2026, 8:58 PM UTC | Sep 22, 2026, 1:04 AM UTC |
Observed tail numbers
Tail numbers tracked on SEA → PHL
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Flight numbers | Tracked distance | Last observed |
|---|---|---|---|---|---|
| A21N | 3 | 1 | 7,278 mi | Sep 19, 2026, 9:35 AM UTC | |
| A321 | 3 | 2 | 7,352 mi | Sep 17, 2026, 10:30 AM UTC | |
| A321 | 3 | 2 | 7,347 mi | Sep 16, 2026, 8:23 PM UTC | |
| A21N | 3 | 1 | 7,209 mi | Sep 11, 2026, 8:54 AM UTC | |
| A21N | 3 | 1 | 7,243 mi | Sep 10, 2026, 9:09 AM UTC | |
| A321 | 3 | 2 | 7,265 mi | Aug 26, 2026, 12:10 AM UTC |
Observed aircraft types
Aircraft types tracked on SEA → PHL
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 |
|---|---|---|---|---|---|---|---|---|---|
| A321 | Airbus A321 | 64 | 33.3% | 49 | 157,221 mi | 1 | 3 | Aug 20, 2026, 5:13 AM UTC | Sep 24, 2026, 10:35 AM UTC |
| A21N | Airbus A321neo | 58 | 30.2% | 43 | 141,246 mi | 2 | 4 | Aug 20, 2026, 5:20 AM UTC | Sep 24, 2026, 9:19 AM UTC |
| B739 | Boeing 737-900 | 34 | 17.7% | 28 | 83,090 mi | 1 | 2 | Aug 20, 2026, 4:48 AM UTC | Sep 24, 2026, 9:19 AM UTC |
| B39M | Boeing 737 MAX 9 | 28 | 14.6% | 26 | 68,577 mi | 1 | 2 | Aug 20, 2026, 6:27 PM UTC | Sep 23, 2026, 10:17 PM UTC |
| B738 | Boeing 737-800 | 4 | 2.1% | 3 | 9,796 mi | 1 | 2 | Sep 5, 2026, 5:59 PM UTC | Sep 22, 2026, 9:46 PM UTC |
| B38M | Boeing 737 MAX 8 | 3 | 1.6% | 3 | 7,509 mi | 1 | 2 | Sep 1, 2026, 8:00 PM UTC |
Observation log
Flight observations
Latest 100 flights on SEA → PHL within Aug 20 – Sep 24, 2026