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(UA) United Airlines 4739 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(GEG) Spokane International Airport

Spokane, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
22
58%
Late
7
18%
Very Late
0
0%
Excessive
7
18%
Cancelled
0
0%
Diverted
2
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
37
Total Delays ( > 1 min )
26
Codeshares
37
Average Delay (min.)
33.03846153846154
Standard Deviation
35.3
Min
0
Max
145

UA 4739 On-Time Performance Details

Overall Rating
1.4 of 5
Poor
Percentage On-Time 60%
Average Delay Time 33.03846153846154 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.4 shows that this flight has on-time performance characteristics better than 27% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 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 1% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 33.03846153846154 min
This flight has an average delay of 33.03846153846154 minutes with a standard deviation of 35.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

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