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(UA) United Airlines 2138 On-Time Performance Rating

Date Range:

15-Jul-2025 to 15-Sep-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
10
67%
Late
2
13%
Very Late
1
7%
Excessive
2
13%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
15
Total Delays ( > 1 min )
7
Codeshares
0
Average Delay (min.)
57
Standard Deviation
88
Min
0
Max
251

UA 2138 On-Time Performance Details

Overall Rating
1.1 of 5
Poor
Percentage On-Time 67%
Average Delay Time 57 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.1 shows that this flight has on-time performance characteristics better than 21% of all other flights in the FlightStats database.
On-Time Performance Rating
1.4 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 27% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 57 min
This flight has an average delay of 57 minutes with a standard deviation of 88 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.

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