UA1977 · UAL1977

UAL1977 over the last 30 days

As of 2026-10-26

UAL1977 is operated by United Airlines on the route George Bush Intercontinental Airport (IAH/KIAH) → Boston Logan International Airport (BOS/KBOS). It usually takes off around 12:44 UTC (07:44 local time, IAH). It usually lands around 16:03 UTC (12:03 local time, BOS). 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, Sat, Sun

Typical take-off

12:44 UTC · 07:44 local time (IAH)

Typical landing

16:03 UTC · 12:03 local time (BOS)

Typical time airborne

202 min

Median departure deviation from the usual time on this route

+9 min

Departures within 15 minutes of the usual time

70 %

Departures measured

37

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: 17
• BOEING 737 MAX 8 (B38M) — Number of flights: 4
• BOEING 737-900 (B739) — Number of flights: 3

Aircraft in the last 7 days

• N17423 · BOEING 737 MAX 9 2026-10-26
• N37542 · BOEING 737 MAX 9 2026-10-25
• N87513 · BOEING 737-800 2026-10-24
• N27267 · BOEING 737 MAX 8 2026-10-23
• N37534 · BOEING 737 MAX 9 2026-10-22
• N47569 · BOEING 737 MAX 9 2026-10-21

Related flights on this route

• All flights KIAH – KBOS