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(UA) United Airlines 139 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-2026

(KEF) Keflavik Airport

Reykjavik, IS

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
30
79%
Late
1
3%
Very Late
2
5%
Excessive
3
8%
Cancelled
1
3%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
37
Total Delays ( > 1 min )
16
Codeshares
0
Average Delay (min.)
29.8125
Standard Deviation
41.4
Min
0
Max
160

UA 139 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 81%
Average Delay Time 29.8125 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
4.4 of 5
Good
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 88% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 29.8125 min
This flight has an average delay of 29.8125 minutes with a standard deviation of 41.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.