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(UA) United Airlines 643 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(SNA) John Wayne Airport

Santa Ana, CA, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
43
86%
Late
4
8%
Very Late
0
0%
Excessive
3
6%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
50
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
28
Standard Deviation
34.7
Min
0
Max
121

UA 643 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 86%
Average Delay Time 28 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 78% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 28 min
This flight has an average delay of 28 minutes with a standard deviation of 34.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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