Home / Routes / KBUF → KORD2,681 scheduled
BUF ORD1h 29m

The route from Buffalo Niagara International Airport (KBUF) in Buffalo to Chicago O'Hare International Airport (KORD) in Chicago. SkyMeter tracks roughly 2,681 scheduled flights on this route across 22 carriers. The most active operator is UAL (UAL). Average block time is 1h 58m. Departures average 30 minutes off schedule, with 44% running more than 15 minutes late. The most common aircraft on this route is the AIRBUS Airbus A319.

Scheduled
2,681
last 430 days
ADS-B observed
680
Airlines
22
Avg dep delay
30m
Late >15 min
44.2%
Cancel rate
2.57%

Airlines on this route

14 carriers · scheduled

United Airlines
UAL · UA · 1,330 flights · avg 33m delay · 48.0% late
34 cancelled
American Airlines
AAL · AA · 1,291 flights · avg 27m delay · 40.5% late
34 cancelled
Sky West Aviation
SKW · OO · 20 flights · avg 61m delay · 70.0% late
1 cancelled
United Parcel Service Company
UPS · 5X · 18 flights · avg 20m delay · 11.1% late
Delta Air Lines
DAL · DL · 7 flights · avg 42m delay · 28.6% late
Gojet Airlines
GJS · G7 · 5 flights · avg 49m delay · 80.0% late
Flexjet
LXJ · LXJ · 2 flights · avg 10m delay · 0.0% late
· N3 · 2 flights · avg 0m delay · 0.0% late
Jetblue Airwaysoration
JBU · B6 · 1 flights · avg 141m delay · 100.0% late
Executive Flight Services
XSR · 1 flights · avg 44m delay · 100.0% late
Netjets Aviation
EJA · 1I · 1 flights · avg —m delay · 0.0% late
Air Canada
ACA · AC · 1 flights · avg 5m delay · 0.0% late
Libyan Airlines
LAA · LN · 1 flights · avg —m delay · 0.0% late
Lgm Enterprises
JRE · 1 flights · avg 10m delay · 0.0% late

Recent observed flights

From ADS-B trace data

SKW4913N707SKCRJ7
2026-07-05 22:27  →  2026-07-05 23:47  ·  1h 19m
Replay
UAL2747N37555B39M
2026-07-05 22:14  →  2026-07-05 23:50  ·  1h 35m
Replay
UAL705N802UAA319
2026-07-05 15:11  →  2026-07-05 16:31  ·  1h 20m
Replay
UAL543N37466B739
2026-07-05 11:13  →  2026-07-05 12:44  ·  1h 30m
Replay
AAL1195N704USA319
2026-07-05 10:40  →  2026-07-05 12:19  ·  1h 38m
Replay
SKW4913N752EVCRJ7
2026-07-05 00:00  →  2026-07-05 01:20  ·  1h 20m
Replay
GJS4381N540GJCRJ7
2026-07-04 18:00  →  2026-07-04 19:24  ·  1h 23m
Replay
UAL705N882UAA319
2026-07-04 15:49  →  2026-07-04 17:16  ·  1h 26m
Replay
RPA4413N134HQE75L
2026-07-04 14:13  →  2026-07-04 15:29  ·  1h 16m
Replay
AAL2112N871NNB738
2026-07-04 12:13  →  2026-07-04 13:42  ·  1h 28m
Replay

Codeshare partnerships

Marketing carriers selling tickets on this route under their own flight numbers

sells UAL 1266
sells UAL 1266
sells AAL 1233
sells UAL 699
sells AAL 676
sells AAL 532
sells AAL 407
sells AAL 386
sells AAL 354
sells UAL 349
sells UAL 220
sells AAL 178
sells UAL 131
sells UAL 55
sells SKW 10
sells SKW 10
sells SKW 9
sells SKW 8
sells SKW 7
sells SKW 4

Typical aircraft

Observed via ADS-B on this route

AIRBUS Airbus A319
A319
30%
of flights
CANADAIR canadair CRJ-700
CRJ7
24%
of flights
EMBRAER Embraer 175 long wing
E75L
17%
of flights
BOEING Boeing 737-900
B739
9%
of flights
BOEING Boeing 737-800
B738
9%
of flights
BOEING Boeing 737-700
B737
4%
of flights
BOEING Boeing 737 MAX 9
B39M
1%
of flights
BOEING Boeing 737 MAX 8
B38M
0%
of flights

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View KORD → KBUF