UA1663 · UAL1663

UAL1663 over the last 30 days

As of 2026-10-28

UAL1663 is operated by United Airlines on the route George Bush Intercontinental Airport (IAH/KIAH) → Philadelphia International Airport (PHL/KPHL). It usually takes off around 23:33 UTC (18:33 local time, IAH). It usually lands around 02:20 UTC (22:20 local time, PHL). Most frequent aircraft type: BOEING 737 MAX 9 (B39M).

Days with an observed flight (last 30 days)

22/30

Days of the week with an observed flight

Mon, Tue, Wed, Thu, Fri, Sun

Typical take-off

23:33 UTC · 18:33 local time (IAH)

Typical landing

02:20 UTC · 22:20 local time (PHL)

Typical time airborne

167 min

Median departure deviation from the usual time on this route

+2 min

Departures within 15 minutes of the usual time

82 %

Departures measured

38

Our measurement against the usual departure time of the route, from our own observations over the last 26 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: 12
• BOEING 737 MAX 8 (B38M) — Number of flights: 6
• BOEING 737-800 (B738) — Number of flights: 5

Aircraft in the last 7 days

• N458UA · AIRBUS A-320 2026-10-28
• N38268 · BOEING 737-800 2026-10-27
• N73275 · BOEING 737-800 2026-10-26
• N482UA · AIRBUS A-320 2026-10-25
• N37324 · BOEING 737 MAX 8 2026-10-23
• N17435 · BOEING 737 MAX 9 2026-10-23

Related flights on this route

• All flights KIAH – KPHL