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(UA) United Airlines 1660 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-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
26
76%
Late
4
12%
Very Late
3
9%
Excessive
1
3%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
34
Total Delays ( > 1 min )
9
Codeshares
0
Average Delay (min.)
75.88888888888889
Standard Deviation
146.9
Min
0
Max
467

UA 1660 On-Time Performance Details

Overall Rating
1.2 of 5
Poor
Percentage On-Time 77%
Average Delay Time 75.88888888888889 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.2 shows that this flight has on-time performance characteristics better than 23% of all other flights in the FlightStats database.
On-Time Performance Rating
2.3 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 46% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 75.88888888888889 min
This flight has an average delay of 75.88888888888889 minutes with a standard deviation of 146.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.

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