36 active days
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Tracked directional route
BOS → DEN
Logan International Airport → Denver International Airport
BOS
KBOSLogan International AirportOpen live airport profile →DestinationDEN
KDENDenver International AirportOpen live airport profile →View return routeDEN → BOSAnalysis 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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1,860 mi avg per flight
4 hr 3 min average
Average across flights included in analytics
21 flight numbers
Tracked activity
Aug 20 – Sep 24, 2026 · 36 active days
Flights360
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Observed operators
Operators tracked on BOS → DEN
Operator activity within Aug 20 – Sep 24, 2026.
| Operator | Flights | Flight numbers | Tail numbers | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| 172 | 8 | 111 | 320,908 mi | Aug 20, 2026, 12:26 AM UTC | Sep 24, 2026, 4:27 AM UTC | |
| 87 | 8 | 80 | 161,465 mi | Aug 20, 2026, 9:58 AM UTC | Sep 24, 2026, 3:26 AM UTC | |
| 69 | 4 | 50 | 128,053 mi | Aug 20, 2026, 12:41 AM UTC | Sep 23, 2026, 5:50 PM UTC | |
| 32 | 1 | 24 | 59,262 mi | Aug 20, 2026, 12:03 PM UTC | Sep 23, 2026, 3:58 PM UTC |
Observed services
Flight numbers tracked on BOS → DEN
Open a flight number for its complete tracked profile.
| Flight number | Flights | Tail numbers | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|
| 35 | 34 | 65,001 mi | Aug 20, 2026, 4:12 PM UTC | Sep 23, 2026, 7:54 PM UTC | |
| 34 | 26 | 63,779 mi | Aug 20, 2026, 11:54 AM UTC | Sep 23, 2026, 3:48 PM UTC | |
| 32 | 24 | 59,262 mi | Aug 20, 2026, 12:03 PM UTC | Sep 23, 2026, 3:58 PM UTC | |
| 30 | 26 | 56,910 mi | Aug 20, 2026, 7:10 PM UTC | Sep 23, 2026, 11:07 PM UTC | |
| 29 | 25 | 53,871 mi | Aug 20, 2026, 1:51 PM UTC | Sep 23, 2026, 5:40 PM UTC | |
| 24 | 24 | 44,114 mi | Aug 20, 2026, 9:58 AM UTC | Sep 21, 2026, 1:43 PM UTC | |
Observed tail numbers
Tail numbers tracked on BOS → DEN
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Flight numbers | Tracked distance | Last observed |
|---|---|---|---|---|---|
| A21N | 5 | 3 | 9,295 mi | Sep 23, 2026, 3:48 PM UTC | |
| A21N | 5 | 1 | 9,241 mi | Sep 21, 2026, 4:01 PM UTC | |
| A21N | 5 | 3 | 9,107 mi | Sep 18, 2026, 3:55 PM UTC | |
| A21N | 4 | 3 | 7,263 mi | Sep 24, 2026, 1:34 AM UTC | |
| A21N | 4 | 4 | 7,693 mi | Sep 22, 2026, 5:49 PM UTC | |
| BCS3 | 4 | 3 | 7,349 mi | Sep 20, 2026, 5:42 PM UTC |
Observed aircraft types
Aircraft types tracked on BOS → DEN
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 |
|---|---|---|---|---|---|---|---|---|---|
| A21N | Airbus A321neo | 149 | 41.4% | 82 | 278,561 mi | 2 | 7 | Aug 20, 2026, 11:54 AM UTC | Sep 24, 2026, 1:34 AM UTC |
| BCS3 | Airbus A220-300 | 53 | 14.7% | 35 | 98,401 mi | 1 | 3 | Aug 20, 2026, 12:41 AM UTC | Sep 23, 2026, 5:50 PM UTC |
| B38M | Boeing 737 MAX 8 | 49 | 13.6% | 44 | 90,308 mi | 2 | 8 | Aug 20, 2026, 5:42 PM UTC | Sep 23, 2026, 7:54 PM UTC |
| B739 | Boeing 737-900 | 35 | 9.7% | 33 | 64,946 mi | 1 | 3 | Aug 20, 2026, 4:12 PM UTC | Sep 22, 2026, 7:54 PM UTC |
| B738 | Boeing 737-800 | 32 | 8.9% | 30 | 59,766 mi | 1 | 7 | Aug 20, 2026, 9:58 AM UTC | Sep 24, 2026, 3:26 AM UTC |
| B39M | Boeing 737 MAX 9 | 18 | 5.0% | 18 | 33,052 mi | 1 | 2 | Aug 20, 2026, 12:26 AM UTC |
Observation log
Flight observations
Latest 100 flights on BOS → DEN within Aug 20 – Sep 24, 2026