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(UA) United Airlines 879 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(LHR) London Heathrow Airport

London, EN, GB

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
54
89%
Late
2
3%
Very Late
2
3%
Excessive
1
2%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
23.363636363636363
Standard Deviation
26.5
Min
0
Max
97

UA 879 On-Time Performance Details

Overall Rating
4.3 of 5
Good
Percentage On-Time 90%
Average Delay Time 23.363636363636363 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 85% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 90%
This flight has an on-time performance of 90%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 23.363636363636363 min
This flight has an average delay of 23.363636363636363 minutes with a standard deviation of 26.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.