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(UA) United Airlines 1634 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(DFW) Dallas Fort Worth International Airport

Dallas, TX, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
30
77%
Late
2
5%
Very Late
2
5%
Excessive
5
13%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
39
Total Delays ( > 1 min )
17
Codeshares
0
Average Delay (min.)
53.94117647058823
Standard Deviation
80.8
Min
0
Max
307

UA 1634 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 77%
Average Delay Time 53.94117647058823 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 29% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 53.94117647058823 min
This flight has an average delay of 53.94117647058823 minutes with a standard deviation of 80.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.

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