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(UA) United Airlines 1977 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-2026

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
53
90%
Late
4
7%
Very Late
1
2%
Excessive
0
0%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
13.909090909090908
Standard Deviation
12.2
Min
0
Max
32

UA 1977 On-Time Performance Details

Overall Rating
4.8 of 5
Very Good
Percentage On-Time 90%
Average Delay Time 13.909090909090908 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.8 shows that this flight has on-time performance characteristics better than 94% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 90%
This flight has an on-time performance of 90%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
4.5 of 5
Good
Average Delay Time 13.909090909090908 min
This flight has an average delay of 13.909090909090908 minutes with a standard deviation of 12.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 90% of other flights.