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(UA) United Airlines 5559 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(PWM) Portland International Jetport

Portland, ME, US

On-Time Performance Chart

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

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
14
Total Delays ( > 1 min )
11
Codeshares
14
Average Delay (min.)
40.81818181818182
Standard Deviation
83
Min
0
Max
286

UA 5559 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 71%
Average Delay Time 40.81818181818182 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 29% of all other flights in the FlightStats database.
On-Time Performance Rating
1.5 of 5
Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 31% of other flights.
Delay Performance
1.5 of 5
Poor
Average Delay Time 40.81818181818182 min
This flight has an average delay of 40.81818181818182 minutes with a standard deviation of 83 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.

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