background

(UA) United Airlines 3690 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(EYW) Key West International Airport

Key West, FL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
4
44%
Late
1
11%
Very Late
3
33%
Excessive
1
11%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
9
Total Delays ( > 1 min )
6
Codeshares
9
Average Delay (min.)
28.5
Standard Deviation
16.7
Min
0
Max
52

UA 3690 On-Time Performance Details

Overall Rating
1.6 of 5
Average
Percentage On-Time 44%
Average Delay Time 28.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.6 shows that this flight has on-time performance characteristics better than 31% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 44%
This flight has an on-time performance of 44%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 28.5 min
This flight has an average delay of 28.5 minutes with a standard deviation of 16.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

Other Stops for UA 3690