UA2129 · UAL2129

UAL2129 over the last 30 days

As of 2026-10-27

UAL2129 is operated by United Airlines on the route San Diego International Airport (SAN/KSAN) → Washington Dulles International Airport (IAD/KIAD). It usually takes off around 05:05 UTC (22:05 local time, SAN). It usually lands around 09:26 UTC (05:26 local time, IAD). Most frequent aircraft type: BOEING 737 MAX 9 (B39M).

Days with an observed flight (last 30 days)

26/30

Days of the week with an observed flight

Mon, Tue, Wed, Thu, Fri, Sun

Typical take-off

05:05 UTC · 22:05 local time (SAN)

Typical landing

09:26 UTC · 05:26 local time (IAD)

Typical time airborne

262 min

Median departure deviation from the usual time on this route

+4 min

Departures within 15 minutes of the usual time

73 %

Departures measured

66

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: 27
• BOEING 737 MAX 8 (B38M) — Number of flights: 1
• BOEING 737-800 (B738) — Number of flights: 1

Aircraft in the last 7 days

• N27464 · BOEING 737 MAX 9 2026-10-27
• N37278 · BOEING 737 MAX 8 2026-10-27
• N57480 · BOEING 737 MAX 9 2026-10-26
• N33286 · BOEING 737-800 2026-10-26
• N17475 · BOEING 737 MAX 9 2026-10-24
• B737-M9 · BOEING 737 MAX 9 2026-10-23

Related flights on this route

• All flights KSAN – KIAD