35 active days
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Tracked directional route
BUF → ORD
Buffalo Niagara International Airport → Chicago O'Hare International Airport
BUF
KBUFBuffalo Niagara International AirportOpen live airport profile →DestinationORD
KORDChicago O'Hare International AirportOpen live airport profile →View return routeORD → BUFAnalysis 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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524 mi avg per flight
1 hr 18 min average
Average across flights included in analytics
16 flight numbers
Tracked activity
Aug 20 – Sep 24, 2026 · 35 active days
Flights236
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 20
Sep 21
Sep 22
Sep 23
Observed operators
Operators tracked on BUF → ORD
Operator activity within Aug 20 – Sep 24, 2026.
| Operator | Flights | Flight numbers | Tail numbers | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| 100 | 4 | 79 | 52,354 mi | Aug 20, 2026, 10:57 AM UTC | Sep 23, 2026, 11:35 PM UTC | |
| 55 | 5 | 36 | 28,822 mi | Aug 20, 2026, 9:10 AM UTC | Sep 23, 2026, 5:36 PM UTC | |
| 44 | 2 | 41 | 23,278 mi | Aug 21, 2026, 12:10 AM UTC | Sep 24, 2026, 12:17 AM UTC | |
| 27 | 3 | 22 | 14,069 mi | Aug 20, 2026, 6:03 PM UTC | Sep 21, 2026, 9:36 PM UTC | |
| 8 | 1 | 7 | 4,163 mi | Sep 8, 2026, 6:00 PM UTC | Sep 23, 2026, 7:25 PM UTC | |
Observed services
Flight numbers tracked on BUF → ORD
Open a flight number for its complete tracked profile.
| Flight number | Flights | Tail numbers | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|
| 34 | 31 | 17,922 mi | Aug 20, 2026, 10:31 PM UTC | Sep 23, 2026, 11:35 PM UTC | |
| 34 | 32 | 17,705 mi | Aug 20, 2026, 10:57 AM UTC | Sep 23, 2026, 12:22 PM UTC | |
| 31 | 30 | 16,317 mi | Aug 21, 2026, 12:10 AM UTC | Sep 23, 2026, 1:19 PM UTC | |
| 20 | 17 | 10,419 mi | Aug 20, 2026, 9:10 AM UTC | Sep 8, 2026, 10:38 AM UTC | |
| 19 | 18 | 9,824 mi | Aug 20, 2026, 3:07 PM UTC | Sep 8, 2026, 3:55 PM UTC | |
| 19 | 16 | 9,907 mi | Aug 20, 2026, 3:36 PM UTC | Sep 7, 2026, 3:55 PM UTC |
Observed tail numbers
Tail numbers tracked on BUF → ORD
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Flight numbers | Tracked distance | Last observed |
|---|---|---|---|---|---|
| E170 | 3 | 2 | 1,608 mi | Sep 22, 2026, 5:43 PM UTC | |
| B738 | 3 | 3 | 1,588 mi | Sep 21, 2026, 12:19 AM UTC | |
| E170 | 3 | 2 | 1,575 mi | Sep 16, 2026, 5:42 PM UTC | |
| B738 | 3 | 2 | 1,525 mi | Sep 15, 2026, 1:33 PM UTC | |
| B738 | 3 | 2 | 1,575 mi | Sep 12, 2026, 3:46 PM UTC | |
| E170 | 3 | 1 | 1,565 mi | Sep 8, 2026, 10:38 AM UTC |
Observed aircraft types
Aircraft types tracked on BUF → ORD
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 |
|---|---|---|---|---|---|---|---|---|---|
| B738 | Boeing 737-800 | 86 | 36.4% | 67 | 45,256 mi | 2 | 5 | Aug 20, 2026, 3:36 PM UTC | Sep 23, 2026, 11:35 PM UTC |
| E170 | Embraer E170 | 52 | 22.0% | 34 | 27,280 mi | 1 | 5 | Aug 20, 2026, 9:10 AM UTC | Sep 23, 2026, 5:36 PM UTC |
| A319 | Airbus A319 | 42 | 17.8% | 38 | 22,019 mi | 2 | 4 | Aug 20, 2026, 10:57 AM UTC | Sep 24, 2026, 12:17 AM UTC |
| CRJ7 | Bombardier CRJ-700 | 35 | 14.8% | 29 | 18,232 mi | 2 | 4 | Aug 20, 2026, 6:03 PM UTC | Sep 23, 2026, 7:25 PM UTC |
| B739 | Boeing 737-900 | 5 | 2.1% | 5 | 2,663 mi | 1 | 4 | Sep 6, 2026, 2:40 PM UTC | Sep 22, 2026, 4:00 PM UTC |
| B39M | Boeing 737 MAX 9 | 5 | 2.1% | 4 | 2,552 mi | 1 | 2 | Aug 22, 2026, 10:18 PM UTC |
Observation log
Flight observations
Latest 100 flights on BUF → ORD within Aug 20 – Sep 24, 2026