UA637 · UAL637

UAL637 over the last 30 days

As of 2026-10-26

UAL637 is operated by United Airlines on the route Washington Dulles International Airport (IAD/KIAD) → Austin Bergstrom International Airport (AUS/KAUS). It usually takes off around 12:43 UTC (08:43 local time, IAD). It usually lands around 15:40 UTC (10:40 local time, AUS). Most frequent aircraft type: BOEING 737 MAX 9 (B39M).

Days with an observed flight (last 30 days)

29/30

Days of the week with an observed flight

Mon, Tue, Wed, Thu, Fri, Sun

Typical take-off

12:43 UTC · 08:43 local time (IAD)

Typical landing

15:40 UTC · 10:40 local time (AUS)

Typical time airborne

172 min

Median departure deviation from the usual time on this route

+1 min

Departures within 15 minutes of the usual time

78 %

Departures measured

63

Our measurement against the usual departure time of the route, from our own observations over the last 28 days; the figures cover all flights of this airline on the route.

Aircraft types on this flight (last 30 days)

• BOEING 737 MAX 9 (B39M) — Number of flights: 64
• BOEING 737-800 (B738) — Number of flights: 17
• BOEING 737 MAX 8 (B38M) — Number of flights: 8

Aircraft in the last 7 days

• N17403 · BOEING 737 MAX 9 2026-10-26
• N87442 · BOEING 737 MAX 9 2026-10-25
• N17362 · BOEING 737 MAX 8 2026-10-24
• N17456 · BOEING 737 MAX 9 2026-10-23
• N77579 · BOEING 737 MAX 9 2026-10-23
• N12221 · BOEING 737-800 2026-10-22

Related flights on this route

• All flights KIAD – KAUS