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(UA) United Airlines 8158 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(YUL) Montreal-Trudeau International Airport

Montreal, QC, CA

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
37
58%
Late
9
14%
Very Late
2
3%
Excessive
7
11%
Cancelled
6
9%
Diverted
3
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
30
Codeshares
61
Average Delay (min.)
33.63333333333333
Standard Deviation
39.1
Min
0
Max
175

UA 8158 On-Time Performance Details

Overall Rating
1.7 of 5
Average
Percentage On-Time 61%
Average Delay Time 33.63333333333333 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.7 shows that this flight has on-time performance characteristics better than 33% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 61%
This flight has an on-time performance of 61%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 2% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 33.63333333333333 min
This flight has an average delay of 33.63333333333333 minutes with a standard deviation of 39.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.