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(UA) United Airlines 1991 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
12
71%
Late
1
6%
Very Late
1
6%
Excessive
3
18%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
17
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
28.181818181818183
Standard Deviation
31.5
Min
0
Max
86

UA 1991 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 71%
Average Delay Time 28.181818181818183 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.
On-Time Performance Rating
1.5 of 5
Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 31% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 28.181818181818183 min
This flight has an average delay of 28.181818181818183 minutes with a standard deviation of 31.5 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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