UAL637 is operated by UNITED AIRLINES INC between Washington Dulles International Airport (KIAD) and Austin Bergstrom International Airport (KAUS). The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 2h 34m. SkyMeter has observed 139 legs of this flight number via ADS-B.

✈
FLIGHTS
139
last 90 days
⏱
AVG DURATION
2h 34m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
17 / 8
city pairs · airframes
⚠
INCIDENT RATE
0.7%
1 flagged

Routes flown

By count · last 90 days

9
KIAD → KAUS
43
avg 3h 21m · Washington Dulles → Austin Bergstrom
KPWM → KORD
27
avg 2h 42m · Portland International Jetport → Chicago O'Hare
KAUS → KLAX
23
avg 3h 14m · Austin Bergstrom → Los Angeles
KSYR → KIAD
14
avg 1h 14m · Syracuse Hancock → Washington Dulles
KMYR → KDEN
3
avg 3h 24m · Myrtle Beach → Denver
7CO3 → KDEN
1
avg 14m · Lindys Airpark → Denver
KDEN → KLAX
1
avg 6h 43m · Denver → Los Angeles
23IL → KORD
1
avg 11m · Amita Health-Alexian Brothers Medical Center Heliport → Chicago O'Hare
IL70 → KORD
1
avg 25m · Wgn-Tv Heliport → Chicago O'Hare

Aircraft types

Equipment used on this number

8
B38M BOEING Boeing 737 MAX 8
46
B39M BOEING Boeing 737 MAX 9
29
B738 BOEING Boeing 737-800
26
A319 AIRBUS Airbus A319
14
B739 BOEING Boeing 737-900
13
B737 BOEING Boeing 737-700
12
A320 AIRBUS Airbus A320
8
A21N AIRBUS Airbus A321 Neo
1

Safety profile

Flagged flights · last 90 days

Go-arounds
1
Unstable approach
0
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 UAL637

30
N448UAAIRBUS Airbus A320
→
07/19/2026
14m
No alerts
Replay Analysis
N448UAAIRBUS Airbus A320
→
07/18/2026
3h 9m
No alerts
Replay Analysis
N16701BOEING Boeing 737-700
→
07/17/2026
3h 8m
No alerts
Replay Analysis
N17311BOEING Boeing 737 MAX 8
→
07/16/2026
3h 7m
No alerts
Replay Analysis
N17272BOEING Boeing 737 MAX 8
→
07/15/2026
3h 4m
No alerts
Replay Analysis
N13720BOEING Boeing 737-700
→
07/14/2026
12m
No alerts
Replay Analysis
N13720BOEING Boeing 737-700
→
07/14/2026
2h 57m
No alerts
Replay Analysis
N68891BOEING Boeing 737-900
→
07/13/2026
18m
No alerts
Replay Analysis
N68891BOEING Boeing 737-900
→
07/13/2026
3h 1m
No alerts
Replay Analysis
N39726BOEING Boeing 737-700
→
07/12/2026
3h 11m
No alerts
Replay Analysis
N432UAAIRBUS Airbus A320
→
07/12/2026
23m
No alerts
Replay Analysis
N432UAAIRBUS Airbus A320
→
07/11/2026
3h 2m
No alerts
Replay Analysis
N432UAAIRBUS Airbus A320
→
07/11/2026
3h 27m
No alerts
Replay Analysis
N37318BOEING Boeing 737 MAX 8
→
07/10/2026
3h 8m
No alerts
Replay Analysis
N27421BOEING Boeing 737-900
→
07/09/2026
3h 1m
No alerts
Replay Analysis
N61882BOEING Boeing 737-900
→
07/08/2026
3h 15m
No alerts
Replay Analysis
N27266BOEING Boeing 737 MAX 8
→
07/07/2026
3h 13m
No alerts
Replay Analysis
N23708BOEING Boeing 737-700
→
07/06/2026
3h 10m
No alerts
Replay Analysis
N23708BOEING Boeing 737-700
→
07/05/2026
3h 29m
No alerts
Replay Analysis
N482UAAIRBUS Airbus A320
→
07/04/2026
3h 17m
No alerts
Replay Analysis
N17289BOEING Boeing 737 MAX 8
→
07/03/2026
3h 5m
No alerts
Replay Analysis
N24736BOEING Boeing 737-700
→
07/02/2026
3h 16m
No alerts
Replay Analysis
N23707BOEING Boeing 737-700
→
07/01/2026
3h 14m
No alerts
Replay Analysis
N23707BOEING Boeing 737-700
→
06/30/2026
3h 12m
No alerts
Replay Analysis
N47332BOEING Boeing 737 MAX 8
→
06/29/2026
3h 21m
No alerts
Replay Analysis
N23707BOEING Boeing 737-700
→
06/28/2026
3h 25m
No alerts
Replay Analysis
N442UAAIRBUS Airbus A320
→
06/27/2026
12m
No alerts
Replay Analysis
N442UAAIRBUS Airbus A320
→
06/27/2026
3h 27m
No alerts
Replay Analysis
N33714BOEING Boeing 737-700
→
06/26/2026
3h 16m
No alerts
Replay Analysis
N13750BOEING Boeing 737-700
→
06/25/2026
3h 17m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window