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(UA) United Airlines 8551 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(DCA) Ronald Reagan Washington National Airport

Washington, DC, US

(YYZ) Toronto Pearson International Airport

Toronto, ON, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
13
50%
Late
5
19%
Very Late
1
4%
Excessive
7
27%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
26
Total Delays ( > 1 min )
16
Codeshares
26
Average Delay (min.)
54.25
Standard Deviation
58.4
Min
0
Max
223

UA 8551 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 50%
Average Delay Time 54.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 1% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 50%
This flight has an on-time performance of 50%. 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
0.2 of 5
Very Poor
Average Delay Time 54.25 min
This flight has an average delay of 54.25 minutes with a standard deviation of 58.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.