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(UA) United Airlines 1647 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
13
87%
Late
1
7%
Very Late
1
7%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
15
Total Delays ( > 1 min )
2
Codeshares
0
Average Delay (min.)
31
Standard Deviation
4.2
Min
0
Max
34

UA 1647 On-Time Performance Details

Overall Rating
3.3 of 5
Average
Percentage On-Time 87%
Average Delay Time 31 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 65% of all other flights in the FlightStats database.
On-Time Performance Rating
3.9 of 5
Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 79% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 31 min
This flight has an average delay of 31 minutes with a standard deviation of 4.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

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