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(UA) United Airlines 958 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(LHR) London Heathrow Airport

London, EN, GB

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
56
90%
Late
0
0%
Very Late
1
2%
Excessive
3
5%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
4
Codeshares
0
Average Delay (min.)
85.75
Standard Deviation
72.3
Min
0
Max
192

UA 958 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 92%
Average Delay Time 85.75 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 50% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 92%
This flight has an on-time performance of 92%. 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
0.1 of 5
Very Poor
Average Delay Time 85.75 min
This flight has an average delay of 85.75 minutes with a standard deviation of 72.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 3% of other flights.