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 38m. SkyMeter has observed 108 legs of this flight number via ADS-B.

✈
FLIGHTS
108
last 90 days
⏱
AVG DURATION
2h 38m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 9/4/2026
first → last seen
🗺
ROUTES / TYPES
13 / 6
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

6
KIAD → KAUS
52
avg 3h 15m · Washington Dulles → Austin Bergstrom
KPWM → KORD
13
avg 2h 47m · Portland International Jetport → Chicago O'Hare
KAUS → KLAX
13
avg 2h 55m · Austin Bergstrom → Los Angeles
KSFO → KMFR
8
avg 1h 11m · San Francisco → Rogue Valley International Medford
KMYR → KDEN
5
avg 3h 31m · Myrtle Beach → Denver
7CO3 → KDEN
1
avg 14m · Lindys Airpark → Denver

Aircraft types

Equipment used on this number

6
B38M BOEING Boeing 737 MAX 8
45
B737 BOEING Boeing 737-700
29
B738 BOEING Boeing 737-800
20
B739 BOEING Boeing 737-900
18
A320 AIRBUS Airbus A320
10
A319 AIRBUS Airbus A319
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
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
N76532BOEING Boeing 737-800
→
9/4/2026
2h 52m
No alerts
Replay Analysis
N39726BOEING Boeing 737-700
→
9/4/2026
5m
No alerts
Replay Analysis
N39726BOEING Boeing 737-700
→
9/4/2026
3h 8m
No alerts
Replay Analysis
N73270BOEING Boeing 737-800
→
9/3/2026
3h 7m
No alerts
Replay Analysis
N27269BOEING Boeing 737 MAX 8
→
9/3/2026
43m
No alerts
Replay Analysis
N27269BOEING Boeing 737 MAX 8
→
9/2/2026
38m
No alerts
Replay Analysis
N27269BOEING Boeing 737 MAX 8
→
9/2/2026
1h 22m
No alerts
Replay Analysis
N37353BOEING Boeing 737 MAX 8
→
9/2/2026
45m
No alerts
Replay Analysis
N37353BOEING Boeing 737 MAX 8
→
9/1/2026
31m
No alerts
Replay Analysis
N37353BOEING Boeing 737 MAX 8
→
9/1/2026
1h 16m
No alerts
Replay Analysis
N73251BOEING Boeing 737-800
→
8/31/2026
2h 54m
No alerts
Replay Analysis
N13716BOEING Boeing 737-700
→
8/31/2026
3h 23m
No alerts
Replay Analysis
N77296BOEING Boeing 737-800
→
8/30/2026
2h 53m
No alerts
Replay Analysis
N33714BOEING Boeing 737-700
→
8/30/2026
3h 14m
No alerts
Replay Analysis
N24202BOEING Boeing 737-800
→
8/30/2026
1h 2m
No alerts
Replay Analysis
N76532BOEING Boeing 737-800
→
8/28/2026
3h 4m
No alerts
Replay Analysis
N15751BOEING Boeing 737-700
→
8/28/2026
3h 27m
No alerts
Replay Analysis
N76522BOEING Boeing 737-800
→
8/27/2026
3h 0m
No alerts
Replay Analysis
N87527BOEING Boeing 737-800
→
8/27/2026
3h 18m
No alerts
Replay Analysis
N17320BOEING Boeing 737 MAX 8
→
8/27/2026
33m
No alerts
Replay Analysis
N17320BOEING Boeing 737 MAX 8
→
8/26/2026
35m
No alerts
Replay Analysis
N17320BOEING Boeing 737 MAX 8
→
8/26/2026
1h 8m
No alerts
Replay Analysis
N37297BOEING Boeing 737 MAX 8
→
8/26/2026
1h 10m
No alerts
Replay Analysis
N35204BOEING Boeing 737-800
→
8/24/2026
2h 46m
No alerts
Replay Analysis
N75429BOEING Boeing 737-900
→
8/24/2026
13m
No alerts
Replay Analysis
N75429BOEING Boeing 737-900
→
8/24/2026
3h 6m
No alerts
Replay Analysis
N76532BOEING Boeing 737-800
→
8/23/2026
2h 54m
No alerts
Replay Analysis
N13718BOEING Boeing 737-700
→
8/23/2026
8m
No alerts
Replay Analysis
N13718BOEING Boeing 737-700
→
8/23/2026
3h 3m
No alerts
Replay Analysis
N26215BOEING Boeing 737-800
→
8/21/2026
2h 55m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window