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(UA) United Airlines 1977 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-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
54
90%
Late
1
2%
Very Late
2
3%
Excessive
0
0%
Cancelled
3
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
12.181818181818182
Standard Deviation
14.2
Min
0
Max
44

UA 1977 On-Time Performance Details

Overall Rating
4.7 of 5
Very Good
Percentage On-Time 90%
Average Delay Time 12.181818181818182 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.7 shows that this flight has on-time performance characteristics better than 93% 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
4.4 of 5
Good
Average Delay Time 12.181818181818182 min
This flight has an average delay of 12.181818181818182 minutes with a standard deviation of 14.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 88% of other flights.