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(UA) United Airlines 8858 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(BOS) Boston Logan International Airport

Boston, MA, US

(FRA) Frankfurt Airport

Frankfurt, DE

On-Time Performance Chart

(using rounded numbers)
On-Time
35
78%
Late
4
9%
Very Late
3
7%
Excessive
3
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
45
Total Delays ( > 1 min )
18
Codeshares
45
Average Delay (min.)
27
Standard Deviation
23.6
Min
0
Max
94

UA 8858 On-Time Performance Details

Overall Rating
3.1 of 5
Average
Percentage On-Time 78%
Average Delay Time 27 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.1 shows that this flight has on-time performance characteristics better than 61% of all other flights in the FlightStats database.
On-Time Performance Rating
2.9 of 5
Average
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 27 min
This flight has an average delay of 27 minutes with a standard deviation of 23.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.