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(BR) EVA Air 3991 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(BKK) Bangkok Suvarnabhumi International Airport

Bangkok, TH

(USM) Ko Samui International Airport

Koh Samui, TH

On-Time Performance Chart

(using rounded numbers)
On-Time
26
43%
Late
25
41%
Very Late
6
10%
Excessive
4
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
58
Codeshares
61
Average Delay (min.)
20.310344827586206
Standard Deviation
19.3
Min
0
Max
137

BR 3991 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 43%
Average Delay Time 20.310344827586206 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 43%
This flight has an on-time performance of 43%. 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
4.6 of 5
Very Good
Average Delay Time 20.310344827586206 min
This flight has an average delay of 20.310344827586206 minutes with a standard deviation of 19.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 92% of other flights.