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(UA) United Airlines 552 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(ONT) Ontario International Airport

Ontario, CA, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
6
60%
Late
0
0%
Very Late
2
20%
Excessive
1
10%
Cancelled
1
10%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
10
Total Delays ( > 1 min )
4
Codeshares
0
Average Delay (min.)
75.25
Standard Deviation
97.3
Min
0
Max
219

UA 552 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 60%
Average Delay Time 75.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5 shows that this flight has on-time performance characteristics better than 8% of all other flights in the FlightStats database.
On-Time Performance Rating
0.6 of 5
Poor
Percentage On-Time 60%
This flight has an on-time performance of 60%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 12% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 75.25 min
This flight has an average delay of 75.25 minutes with a standard deviation of 97.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.

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