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(UA) United Airlines 4257 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(CRP) Corpus Christi International Airport

Corpus Christi, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
8
80%
Late
0
0%
Very Late
0
0%
Excessive
1
10%
Cancelled
0
0%
Diverted
1
10%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
9
Total Delays ( > 1 min )
2
Codeshares
9
Average Delay (min.)
45.5
Standard Deviation
53
Min
0
Max
83

UA 4257 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 89%
Average Delay Time 45.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 55% of all other flights in the FlightStats database.
On-Time Performance Rating
3.9 of 5
Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 79% of other flights.
Delay Performance
1.7 of 5
Average
Average Delay Time 45.5 min
This flight has an average delay of 45.5 minutes with a standard deviation of 53 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 34% of other flights.

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