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(UA) United Airlines 1148 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(SMF) Sacramento International Airport

Sacramento, CA, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
54
89%
Late
4
7%
Very Late
1
2%
Excessive
1
2%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
20.076923076923077
Standard Deviation
19.5
Min
0
Max
68

UA 1148 On-Time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 90%
Average Delay Time 20.076923076923077 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 86% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 90%
This flight has an on-time performance of 90%. 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
3.8 of 5
Good
Average Delay Time 20.076923076923077 min
This flight has an average delay of 20.076923076923077 minutes with a standard deviation of 19.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.

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