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(UA) United Airlines 231 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-2026

(GLA) Glasgow Airport

Glasgow, SC, GB

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
48
75%
Late
8
13%
Very Late
2
3%
Excessive
2
3%
Cancelled
1
2%
Diverted
3
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
20
Codeshares
0
Average Delay (min.)
22.05
Standard Deviation
19
Min
0
Max
76

UA 231 On-Time Performance Details

Overall Rating
4.5 of 5
Good
Percentage On-Time 79%
Average Delay Time 22.05 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.5 shows that this flight has on-time performance characteristics better than 88% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.
Delay Performance
4.4 of 5
Good
Average Delay Time 22.05 min
This flight has an average delay of 22.05 minutes with a standard deviation of 19 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 88% of other flights.