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(UA) United Airlines 8677 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(YUL) Montreal-Trudeau International Airport

Montreal, QC, CA

(FCO) Rome Leonardo da Vinci Fiumicino Airport

Rome, IT

On-Time Performance Chart

(using rounded numbers)
On-Time
36
59%
Late
11
18%
Very Late
7
11%
Excessive
6
10%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
38
Codeshares
60
Average Delay (min.)
27.94736842105263
Standard Deviation
36.5
Min
0
Max
224

UA 8677 On-Time Performance Details

Overall Rating
2.2 of 5
Average
Percentage On-Time 60%
Average Delay Time 27.94736842105263 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 42% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very 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 2% of other flights.
Delay Performance
4.2 of 5
Good
Average Delay Time 27.94736842105263 min
This flight has an average delay of 27.94736842105263 minutes with a standard deviation of 36.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.