Home / Routes / KORD → KBUF2,662 scheduled
ORD BUF1h 12m

The route from Chicago O'Hare International Airport (KORD) in Chicago to Buffalo Niagara International Airport (KBUF) in Buffalo. SkyMeter tracks roughly 2,662 scheduled flights on this route across 20 carriers. The most active operator is UAL (UAL). Average block time is 1h 40m. Departures average 45 minutes off schedule, with 76% running more than 15 minutes late. The most common aircraft on this route is the AIRBUS Airbus A319.

Scheduled
2,662
last 431 days
ADS-B observed
651
Airlines
20
Avg dep delay
45m
Late >15 min
75.5%
Cancel rate
2.29%

Airlines on this route

9 carriers · scheduled

United Airlines
UAL · UA · 1,328 flights · avg 47m delay · 80.1% late
28 cancelled
American Airlines
AAL · AA · 1,290 flights · avg 42m delay · 71.4% late
31 cancelled
Sky West Aviation
SKW · OO · 32 flights · avg 62m delay · 62.5% late
2 cancelled
Netjets Aviation
EJA · 1I · 5 flights · avg 18m delay · 20.0% late
Delta Air Lines
DAL · DL · 2 flights · avg 48m delay · 100.0% late
Gojet Airlines
GJS · G7 · 2 flights · avg 121m delay · 100.0% late
Republic Airlines
RPA · YX · 1 flights · avg 79m delay · 100.0% late
Southwest Airlines Co
SWA · WN · 1 flights · avg —m delay · 0.0% late
Flexjet
LXJ · LXJ · 1 flights · avg 9m delay · 0.0% late

Recent observed flights

From ADS-B trace data

SKW4913N707SKCRJ7
2026-07-05 20:17  →  2026-07-05 21:23  ·  1h 5m
Replay
UAL2226N37555B39M
2026-07-05 19:07  →  2026-07-05 20:23  ·  1h 16m
Replay
GJS4382N579GJCRJ7
2026-07-05 15:31  →  2026-07-05 17:03  ·  1h 31m
Replay
UAL2753N802UAA319
2026-07-05 12:31  →  2026-07-05 13:47  ·  1h 15m
Replay
RPA4413N426YXE75L
2026-07-05 12:23  →  2026-07-05 13:28  ·  1h 4m
Replay
AAL403N704USA319
2026-07-05 04:42  →  2026-07-05 06:05  ·  1h 22m
Replay
AAL564N821NNB738
2026-07-05 02:12  →  2026-07-05 03:26  ·  1h 14m
Replay
UAL2226N37466B739
2026-07-04 19:27  →  2026-07-04 20:31  ·  1h 3m
Replay
SKW4913N752EVCRJ7
2026-07-04 19:00  →  2026-07-04 20:07  ·  1h 7m
Replay
GJS4382N540GJCRJ7
2026-07-04 15:41  →  2026-07-04 17:00  ·  1h 18m
Replay

Codeshare partnerships

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

sells UAL 1267
sells UAL 1267
sells AAL 1232
sells AAL 796
sells UAL 701
sells AAL 633
sells AAL 392
sells AAL 336
sells UAL 299
sells UAL 289
sells AAL 244
sells UAL 234
sells AAL 153
sells UAL 65
sells SKW 12
sells SKW 12
sells SKW 10
sells SKW 4
sells SKW 3
sells SKW 3

Typical aircraft

Observed via ADS-B on this route

AIRBUS Airbus A319
A319
30%
of flights
CANADAIR canadair CRJ-700
CRJ7
25%
of flights
EMBRAER Embraer 175 long wing
E75L
18%
of flights
BOEING Boeing 737-900
B739
10%
of flights
BOEING Boeing 737-800
B738
8%
of flights
BOEING Boeing 737-700
B737
3%
of flights
BOEING Boeing 737 MAX 9
B39M
1%
of flights
AIRBUS Airbus A320
A320
0%
of flights

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