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(UA) United Airlines 1851 On-Time Performance Rating

Date Range:

01-Sep-2025 to 31-Oct-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
4
67%
Late
1
17%
Very Late
1
17%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
6
Total Delays ( > 1 min )
3
Codeshares
0
Average Delay (min.)
22
Standard Deviation
16.1
Min
0
Max
39

UA 1851 On-Time Performance Details

Overall Rating
2.2 of 5
Average
Percentage On-Time 67%
Average Delay Time 22 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 42% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 22 min
This flight has an average delay of 22 minutes with a standard deviation of 16.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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