background

(UA) United Airlines 804 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(HND) Tokyo Haneda International Airport

Tokyo, JP

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
50
81%
Late
2
3%
Very Late
1
2%
Excessive
6
10%
Cancelled
1
2%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
51.27272727272727
Standard Deviation
38
Min
0
Max
110

UA 804 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 83%
Average Delay Time 51.27272727272727 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 51% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.
Delay Performance
0.7 of 5
Poor
Average Delay Time 51.27272727272727 min
This flight has an average delay of 51.27272727272727 minutes with a standard deviation of 38 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.