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(UA) United Airlines 3634 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(MLI) Quad Cities International Airport

Moline, IL, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
6
60%
Late
1
10%
Very Late
0
0%
Excessive
3
30%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
10
Total Delays ( > 1 min )
4
Codeshares
10
Average Delay (min.)
179.25
Standard Deviation
132.3
Min
0
Max
297

UA 3634 On-Time Performance Details

Overall Rating
0.3 of 5
Very Poor
Percentage On-Time 60%
Average Delay Time 179.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.3 shows that this flight has on-time performance characteristics better than 4% of all other flights in the FlightStats database.
On-Time Performance Rating
0.5 of 5
Very Poor
Percentage On-Time 60%
This flight has an on-time performance of 60%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 10% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 179.25 min
This flight has an average delay of 179.25 minutes with a standard deviation of 132.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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