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(UA) United Airlines 1634 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(SMF) Sacramento International Airport

Sacramento, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
10
71%
Late
2
14%
Very Late
1
7%
Excessive
0
0%
Cancelled
0
0%
Diverted
1
7%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
13
Total Delays ( > 1 min )
7
Codeshares
0
Average Delay (min.)
14.428571428571429
Standard Deviation
12.5
Min
0
Max
34

UA 1634 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 77%
Average Delay Time 14.428571428571429 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 76% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 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 69% of other flights.
Delay Performance
4.2 of 5
Good
Average Delay Time 14.428571428571429 min
This flight has an average delay of 14.428571428571429 minutes with a standard deviation of 12.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.

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