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(UA) United Airlines 1129 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
22
46%
Late
5
10%
Very Late
3
6%
Excessive
14
29%
Cancelled
2
4%
Diverted
2
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
46
Total Delays ( > 1 min )
31
Codeshares
0
Average Delay (min.)
56.45161290322581
Standard Deviation
60.4
Min
0
Max
250

UA 1129 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 48%
Average Delay Time 56.45161290322581 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 1% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 48%
This flight has an on-time performance of 48%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 56.45161290322581 min
This flight has an average delay of 56.45161290322581 minutes with a standard deviation of 60.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.

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