background

(UA) United Airlines 4749 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
20
74%
Late
2
7%
Very Late
1
4%
Excessive
4
15%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
27
Total Delays ( > 1 min )
9
Codeshares
27
Average Delay (min.)
64.55555555555556
Standard Deviation
75.6
Min
0
Max
211

UA 4749 On-Time Performance Details

Overall Rating
1.1 of 5
Poor
Percentage On-Time 74%
Average Delay Time 64.55555555555556 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.1 shows that this flight has on-time performance characteristics better than 20% of all other flights in the FlightStats database.
On-Time Performance Rating
1.9 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 38% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 64.55555555555556 min
This flight has an average delay of 64.55555555555556 minutes with a standard deviation of 75.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.

Other Stops for UA 4749