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(UA) United Airlines 4227 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(BDL) Bradley International Airport

Hartford, CT, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
0
0%
Late
2
40%
Very Late
1
20%
Excessive
2
40%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
5
Total Delays ( > 1 min )
5
Codeshares
5
Average Delay (min.)
96.4
Standard Deviation
93.4
Min
23
Max
225

UA 4227 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 0%
Average Delay Time 96.4 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 0%
This flight has an on-time performance of 0%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 96.4 min
This flight has an average delay of 96.4 minutes with a standard deviation of 93.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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