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(UA) United Airlines 2139 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(SFO) San Francisco International Airport

San Francisco, CA, US

(LIR) Liberia Daniel Oduber Quiros International Airport

Guanacaste, CR

On-Time Performance Chart

(using rounded numbers)
On-Time
10
67%
Late
3
20%
Very Late
1
7%
Excessive
1
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
15
Total Delays ( > 1 min )
8
Codeshares
0
Average Delay (min.)
20.375
Standard Deviation
16.8
Min
0
Max
45

UA 2139 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 67%
Average Delay Time 20.375 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 49% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 20.375 min
This flight has an average delay of 20.375 minutes with a standard deviation of 16.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.