UAL1237

UNITED AIRLINES INC · MSP → ORD

UAL1237 is operated by UNITED AIRLINES INC between Minneapolis-St Paul International/Wold-Chamberlain Airport (KMSP) and Chicago O'Hare International Airport (KORD). The flight is most often flown by a AIRBUS Airbus A320. Typical block time is 1h 41m. SkyMeter has observed 51 legs of this flight number via ADS-B.

✈
FLIGHTS
51
last 90 days
⏱
AVG DURATION
1h 41m
tracked time
📅
SERVICE PERIOD
04/11/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
7 / 5
city pairs · airframes
⚠
INCIDENT RATE
5.9%
3 flagged

Routes flown

By count · last 90 days

5
KMSP → KORD
19
avg 1h 21m · Minneapolis-St Paul International/Wold-Chamberlain → Chicago O'Hare
KEWR → KRSW
11
avg 2h 47m · Newark Liberty → Southwest Florida
KORD → KPHX
6
avg 3h 39m · Chicago O'Hare → Phoenix Sky Harbor
KSDF → KEWR
1
avg 1h 39m · Louisville Muhammad Ali → Newark Liberty
7MN9 → KORD
1
avg 1h 7m · Mandarin Yen So Heliport → Chicago O'Hare

Aircraft types

Equipment used on this number

5
A320 AIRBUS Airbus A320
27
B39M BOEING Boeing 737 MAX 9
9
B739 BOEING Boeing 737-900
8
A319 AIRBUS Airbus A319
6
B38M BOEING Boeing 737 MAX 8
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
3
Rejected TO
0
Stall warnings
0
Overspeeds
0
Runway excursion
0
Counts represent flights with at least one occurrence of each flag, not the total event count. See /incidents for individual events.

Recent flights

Newest 30 operations of UAL1237

30
N37553BOEING Boeing 737 MAX 9
→
06/03/2026
2h 27m
△ Unstable
Replay Analysis
N62849BOEING Boeing 737-900
→
06/02/2026
2h 40m
No alerts
Replay Analysis
N17427BOEING Boeing 737 MAX 9
→
06/01/2026
3h 14m
△ Unstable
Replay Analysis
N77426BOEING Boeing 737 MAX 9
→
05/31/2026
2h 42m
No alerts
Replay Analysis
N77559BOEING Boeing 737 MAX 9
→
05/29/2026
2h 39m
No alerts
Replay Analysis
N17428BOEING Boeing 737 MAX 9
→
05/28/2026
2h 59m
No alerts
Replay Analysis
N77590BOEING Boeing 737 MAX 9
→
05/26/2026
2h 41m
△ Unstable
Replay Analysis
N37561BOEING Boeing 737 MAX 9
→
05/25/2026
2h 48m
No alerts
Replay Analysis
N27539BOEING Boeing 737 MAX 9
→
05/24/2026
2h 44m
No alerts
Replay Analysis
N36472BOEING Boeing 737-900
→
05/23/2026
2h 47m
No alerts
Replay Analysis
N47517BOEING Boeing 737 MAX 9
→
05/21/2026
2h 52m
No alerts
Replay Analysis
N844UAAIRBUS Airbus A319
→
05/21/2026
1h 14m
No alerts
Replay Analysis
N480UAAIRBUS Airbus A320
→
05/18/2026
1h 21m
No alerts
Replay Analysis
N472UAAIRBUS Airbus A320
→
05/16/2026
1h 48m
No alerts
Replay Analysis
N472UAAIRBUS Airbus A320
→
05/15/2026
13m
No alerts
Replay Analysis
N452UAAIRBUS Airbus A320
→
05/15/2026
1h 13m
No alerts
Replay Analysis
N452UAAIRBUS Airbus A320
→
05/14/2026
10m
No alerts
Replay Analysis
N436UAAIRBUS Airbus A320
→
05/14/2026
54m
No alerts
Replay Analysis
N436UAAIRBUS Airbus A320
→
05/13/2026
10m
No alerts
Replay Analysis
N465UAAIRBUS Airbus A320
→
05/13/2026
1h 16m
No alerts
Replay Analysis
N477UAAIRBUS Airbus A320
→
05/11/2026
19m
No alerts
Replay Analysis
N491UAAIRBUS Airbus A320
→
05/11/2026
57m
No alerts
Replay Analysis
N491UAAIRBUS Airbus A320
→
05/10/2026
9m
No alerts
Replay Analysis
N871UAAIRBUS Airbus A319
→
05/08/2026
1h 6m
No alerts
Replay Analysis
N871UAAIRBUS Airbus A319
→
05/07/2026
9m
No alerts
Replay Analysis
N27251BOEING Boeing 737 MAX 8
→
05/03/2026
1h 39m
No alerts
Replay Analysis
N875UAAIRBUS Airbus A319
→
05/01/2026
1h 7m
No alerts
Replay Analysis
N875UAAIRBUS Airbus A319
→
04/30/2026
27m
No alerts
Replay Analysis
N467UAAIRBUS Airbus A320
→
04/30/2026
1h 5m
No alerts
Replay Analysis
N454UAAIRBUS Airbus A320
→
04/28/2026
11m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window