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(UA) United Airlines 4166 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(ABE) Lehigh Valley International Airport

Allentown, PA, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
23
62%
Late
2
5%
Very Late
0
0%
Excessive
5
14%
Cancelled
2
5%
Diverted
5
14%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
32
Total Delays ( > 1 min )
17
Codeshares
32
Average Delay (min.)
70.47058823529412
Standard Deviation
145.3
Min
0
Max
558

UA 4166 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 72%
Average Delay Time 70.47058823529412 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 13% of all other flights in the FlightStats database.
On-Time Performance Rating
1.4 of 5
Poor
Percentage On-Time 72%
This flight has an on-time performance of 72%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 27% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 70.47058823529412 min
This flight has an average delay of 70.47058823529412 minutes with a standard deviation of 145.3 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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