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(UA) United Airlines 4789 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(OKC) Will Rogers World Airport

Oklahoma City, OK, US

On-Time Performance Chart

(using rounded numbers)
On-Time
1
33%
Late
0
0%
Very Late
0
0%
Excessive
1
33%
Cancelled
0
0%
Diverted
1
33%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
2
Total Delays ( > 1 min )
1
Codeshares
2
Average Delay (min.)
54
Standard Deviation
0
Min
0
Max
54

UA 4789 On-Time Performance Details

Overall Rating
1.3 of 5
Poor
Percentage On-Time 50%
Average Delay Time 54 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.3 shows that this flight has on-time performance characteristics better than 24% of all other flights in the FlightStats database.
On-Time Performance Rating
0.8 of 5
Poor
Percentage On-Time 50%
This flight has an on-time performance of 50%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 16% of other flights.
Delay Performance
1.7 of 5
Average
Average Delay Time 54 min
This flight has an average delay of 54 minutes with a standard deviation of 0 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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