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(UA) United Airlines 684 On-Time Performance Rating

Date Range:

01-Sep-2025 to 31-Oct-2025

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
22
96%
Late
1
4%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
23
Total Delays ( > 1 min )
4
Codeshares
0
Average Delay (min.)
7
Standard Deviation
6.9
Min
0
Max
17

UA 684 On-Time Performance Details

Overall Rating
4.5 of 5
Good
Percentage On-Time 96%
Average Delay Time 7 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.5 shows that this flight has on-time performance characteristics better than 89% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 96%
This flight has an on-time performance of 96%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 7 min
This flight has an average delay of 7 minutes with a standard deviation of 6.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.

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