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(UA) United Airlines 4887 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(TYS) Knoxville McGhee Tyson Airport

Knoxville, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
45
74%
Late
3
5%
Very Late
4
7%
Excessive
9
15%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
22
Codeshares
61
Average Delay (min.)
56.31818181818182
Standard Deviation
62.8
Min
0
Max
231

UA 4887 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 74%
Average Delay Time 56.31818181818182 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 14% of all other flights in the FlightStats database.
On-Time Performance Rating
1.4 of 5
Poor
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 27% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 56.31818181818182 min
This flight has an average delay of 56.31818181818182 minutes with a standard deviation of 62.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.