Flight Status & Tracker

UAL637

UNITED AIRLINES INC · IAD → AUS · Last tracked Oct 18, 2026

UAL637 is a flight number operated by UNITED AIRLINES INC between Washington Dulles International Airport (KIAD) and Austin Bergstrom International Airport (KAUS). SkyMeter last tracked UAL637 on October 18, 2026. The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 2h 36m. SkyMeter has observed 123 legs of this flight number via ADS-B.

SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.

✈
FLIGHTS
123
last 90 days
⏱
AVG DURATION
2h 36m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/18/2026
first → last seen
🗺
ROUTES / TYPES
10 / 7
city pairs · airframes
⚠
INCIDENT RATE
2.4%
3 flagged

Routes flown

By count · last 90 days

7
KIAD → KAUS
49
avg 3h 18m · Washington Dulles → Austin Bergstrom
KAUS → KLAX
41
avg 3h 2m · Austin Bergstrom → Los Angeles
KSFO → KMFR
8
avg 1h 11m · San Francisco → Rogue Valley International Medford
KLAX → KMRY
6
avg 1h 1m · Los Angeles → Monterey Peninsula
KSFO → KACV
4
avg 58m · San Francisco → California Redwood Coast-Humboldt County
KMYR → KDEN
2
avg 3h 43m · Myrtle Beach → Denver
KAUS → KHHR
1
avg 3h 5m · Austin Bergstrom → Jack Northrop Field Hawthorne

Aircraft types

Equipment used on this number

7
B738 BOEING Boeing 737-800
47
B39M BOEING Boeing 737 MAX 9
31
B38M BOEING Boeing 737 MAX 8
21
B737 BOEING Boeing 737-700
17
A320 AIRBUS Airbus A320
13
B739 BOEING Boeing 737-900
13
A319 AIRBUS Airbus A319
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 UAL637

30
N37547BOEING Boeing 737 MAX 9
→
10/18/2026
3h 7m
No alerts
Replay Analysis
N77543BOEING Boeing 737 MAX 9
→
10/18/2026
3h 18m
No alerts
Replay Analysis
N47332BOEING Boeing 737 MAX 8
→
10/17/2026
3h 8m
No alerts
Replay Analysis
N17467BOEING Boeing 737 MAX 9
→
10/16/2026
2h 58m
No alerts
Replay Analysis
N47512BOEING Boeing 737 MAX 9
→
10/16/2026
3h 19m
No alerts
Replay Analysis
N27474BOEING Boeing 737 MAX 9
→
10/15/2026
2h 55m
No alerts
Replay Analysis
N17418BOEING Boeing 737 MAX 9
→
10/15/2026
3h 12m
No alerts
Replay Analysis
N37530BOEING Boeing 737 MAX 9
→
10/13/2026
3h 12m
No alerts
Replay Analysis
N47453BOEING Boeing 737 MAX 9
→
10/12/2026
3h 24m
No alerts
Replay Analysis
N27274BOEING Boeing 737 MAX 8
→
10/10/2026
3h 4m
No alerts
Replay Analysis
N76514BOEING Boeing 737-800
→
10/10/2026
46m
△ Low approach-stability score
Replay Analysis
N47434BOEING Boeing 737 MAX 9
→
10/9/2026
3h 47m
No alerts
Replay Analysis
N17455BOEING Boeing 737 MAX 9
→
10/9/2026
3h 42m
No alerts
Replay Analysis
N76265BOEING Boeing 737-800
→
10/9/2026
36m
No alerts
Replay Analysis
N76265BOEING Boeing 737-800
→
10/9/2026
1h 1m
No alerts
Replay Analysis
N76265BOEING Boeing 737-800
→
10/9/2026
25m
No alerts
Replay Analysis
N77572BOEING Boeing 737 MAX 9
→
10/8/2026
3h 13m
No alerts
Replay Analysis
N77588BOEING Boeing 737 MAX 9
→
10/8/2026
3h 17m
No alerts
Replay Analysis
N12221BOEING Boeing 737-800
→
10/8/2026
23m
△ Low approach-stability score
Replay Analysis
N12221BOEING Boeing 737-800
→
10/8/2026
1h 5m
△ Low approach-stability score
Replay Analysis
N12221BOEING Boeing 737-800
→
10/8/2026
41m
No alerts
Replay Analysis
N17479
→
10/7/2026
3h 13m
No alerts
Replay Analysis
N37516BOEING Boeing 737 MAX 9
→
10/7/2026
3h 21m
No alerts
Replay Analysis
N37510BOEING Boeing 737 MAX 9
→
10/6/2026
3h 7m
No alerts
Replay Analysis
N37510BOEING Boeing 737 MAX 9
→
10/6/2026
6m
No alerts
Replay Analysis
N77592BOEING Boeing 737 MAX 9
→
10/6/2026
3h 23m
No alerts
Replay Analysis
N87512BOEING Boeing 737-800
→
10/6/2026
17m
No alerts
Replay Analysis
N87512BOEING Boeing 737-800
→
10/6/2026
1h 8m
No alerts
Replay Analysis
N87512BOEING Boeing 737-800
→
10/6/2026
50m
No alerts
Replay Analysis
N57451BOEING Boeing 737 MAX 9
→
10/5/2026
3h 9m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window