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(UA) United Airlines 4505 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(MEM) Memphis International Airport

Memphis, TN, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
11
73%
Late
0
0%
Very Late
1
7%
Excessive
3
20%
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
15
Average Delay (min.)
43.57142857142857
Standard Deviation
37.6
Min
0
Max
103

UA 4505 On-Time Performance Details

Overall Rating
1.4 of 5
Poor
Percentage On-Time 73%
Average Delay Time 43.57142857142857 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.4 shows that this flight has on-time performance characteristics better than 27% of all other flights in the FlightStats database.
On-Time Performance Rating
1.4 of 5
Poor
Percentage On-Time 73%
This flight has an on-time performance of 73%. 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
1.4 of 5
Poor
Average Delay Time 43.57142857142857 min
This flight has an average delay of 43.57142857142857 minutes with a standard deviation of 37.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

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