UA1977 · IAH → BOS

United Airlines · Houston to Boston · last 12 months · 361 flights tracked

94.1%on-time
UA1977 IAH→BOS: 94.1% on-time over 361 flights (last 12 months) — excellent. It beats the route average (71.5%) by 22.6 points. Best day to fly: Sun (98.1%); worst: Sat (86.0%). Seasonality matters: Aug is the most reliable month (100.0%), Jul the worst (86.2%). Average arrival delay: 4.1 minutes.
Data: US BTS, last 12 months.
4.1 minavg arrival delay
1.1%cancelled
0diverted
361flights tracked

Arrival delay distribution

Early/on time · 2891–60 min · 6161–180 min · 6180+ min · 1

On-time by day of week

Mon
98.0%
Tue
90.2%
Wed
94.0%
Thu
94.2%
Fri
98.0%
Sat
86.0%
Sun
98.1%

On-time by month

93.3%
Sep
90.3%
Oct
96.6%
Nov
96.8%
Dec
86.7%
Jan
96.0%
Feb
100.0%
Mar
96.7%
Apr
90.3%
May
96.6%
Jun
86.2%
Jul
100.0%
Aug

← All flights on IAH–BOS