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(UA) United Airlines 3550 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(BDL) Bradley International Airport

Hartford, CT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
22
96%
Late
0
0%
Very Late
0
0%
Excessive
1
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
23
Total Delays ( > 1 min )
2
Codeshares
23
Average Delay (min.)
100
Standard Deviation
138.6
Min
0
Max
198

UA 3550 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 96%
Average Delay Time 100 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 49% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 96%
This flight has an on-time performance of 96%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 100 min
This flight has an average delay of 100 minutes with a standard deviation of 138.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.

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