The Dulles to Buffalo route connects Washington Dulles International Airport (IAD) in US with Buffalo Niagara International Airport (BUF) in US. This short-haul flight covers approximately 284 miles (457 km) with a typical flight time of 1h 2m. This route is served by 5 airlines: CommuteAir, Republic, GoJet and others. AirportRoutes has tracked 7 unique flight numbers on this route.
Compare flight prices across hundreds of booking sites
Search IAD → BUF flightsOpens a live price search — just pick your dates
Washington Dulles International Airport
KIADIADBuffalo Niagara International Airport
KBUFBUF5
Operators7
Tracked Flights284
Miles1h 2m
Flight Duration| Airline | ICAO | IATA |
|---|---|---|
| CommuteAir |
UCA
|
C5
|
| Republic |
RPA
|
YX
|
| GoJet |
GJS
|
G7
|
| Mesa |
ASH
|
YV
|
| Ravn Alaska |
RVF
|
7H
|
| Day | Flights Observed | Frequency | Activity |
|---|---|---|---|
| Monday | 2 | 7% |
|
| Tuesday | 6 | 21% |
|
| Wednesday | 3 | 10% |
|
| Thursday | 6 | 21% |
|
| Friday | 3 | 10% |
|
| Saturday | 6 | 21% |
|
| Sunday | 3 | 10% |
|
Pattern Analysis
| Airline | Flight Numbers | Aircraft Type | Typical Time | Days Active | Last Seen | Status |
|---|---|---|---|---|---|---|
|
CommuteAir
UCA
/ C5
|
E135 | 17:10 5:10 PM (Representative) |
M
T
W
T
F
S
S
|
Apr 23, 2026 | Active | |
|
GoJet
GJS
/ G7
|
CRJ7 | 12:40 12:40 PM (Representative) |
M
T
W
T
F
S
S
|
Apr 23, 2026 | Active | |
|
Mesa
ASH
/ YV
|
- | E75L | - |
M
T
W
T
F
S
S
|
Sep 16, 2025 | Active |
|
Ravn Alaska
RVF
/ 7H
|
- | B752 | - |
M
T
W
T
F
S
S
|
Nov 6, 2025 | Active |
|
Republic
RPA
/ YX
|
E170 | 12:53 12:53 PM (Representative) |
M
T
W
T
F
S
S
|
May 29, 2026 | Active |
| Departure Time | Operator | ICAO | IATA |
|---|---|---|---|
| 12:40 12:40 PM | GoJet |
GJS
|
G7
|
| 12:53 12:53 PM | Republic |
RPA
|
YX
|
| 17:10 5:10 PM | CommuteAir |
UCA
|
C5
|
Time Information
Times are shown in the departure airport's local timezone (KIAD - America/New_York).