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(UA) United Airlines 4854 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(TYS) Knoxville McGhee Tyson Airport

Knoxville, TN, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
48
83%
Late
2
3%
Very Late
1
2%
Excessive
5
9%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
57
Total Delays ( > 1 min )
9
Codeshares
57
Average Delay (min.)
85.88888888888889
Standard Deviation
75.4
Min
0
Max
223

UA 4854 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 84%
Average Delay Time 85.88888888888889 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.
On-Time Performance Rating
4.6 of 5
Very Good
Percentage On-Time 84%
This flight has an on-time performance of 84%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 92% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 85.88888888888889 min
This flight has an average delay of 85.88888888888889 minutes with a standard deviation of 75.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.