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(UA) United Airlines 4548 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(SCE) State College Regional Airport

State College, PA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
25
64%
Late
2
5%
Very Late
2
5%
Excessive
5
13%
Cancelled
5
13%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
39
Total Delays ( > 1 min )
13
Codeshares
39
Average Delay (min.)
48.61538461538461
Standard Deviation
45.4
Min
0
Max
149

UA 4548 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 64%
Average Delay Time 48.61538461538461 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 18% of all other flights in the FlightStats database.
On-Time Performance Rating
0.7 of 5
Poor
Percentage On-Time 64%
This flight has an on-time performance of 64%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 14% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 48.61538461538461 min
This flight has an average delay of 48.61538461538461 minutes with a standard deviation of 45.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.

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