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(UA) United Airlines 1591 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(BWI) Baltimore Washington International Airport

Baltimore, MD, US

(LAX) Los Angeles International Airport

Los Angeles, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
50
88%
Late
2
4%
Very Late
2
4%
Excessive
3
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
57
Total Delays ( > 1 min )
18
Codeshares
0
Average Delay (min.)
20.166666666666668
Standard Deviation
23.6
Min
0
Max
82

UA 1591 On-Time Performance Details

Overall Rating
4.5 of 5
Good
Percentage On-Time 88%
Average Delay Time 20.166666666666668 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
4.8 of 5
Very Good
Percentage On-Time 88%
This flight has an on-time performance of 88%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 20.166666666666668 min
This flight has an average delay of 20.166666666666668 minutes with a standard deviation of 23.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.

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