Is UA4638 delayed?
No delay reported yet — UA4638 is scheduled to leave Chicago at 20:24 on Oct 1 and reach Colorado Springs at 21:53 (as of Oct 1, 22:21 UTC).
Usually on time: arrived within 15 min of schedule on 19 of the last 27 flights.
No live update yet
Showing the published schedule until live times are reported.
Update time unavailable
Departure
Chicago
ORD
Scheduled
Oct 1
Arrival
Colorado Springs
COS
Scheduled
Oct 1
Times shown in airport local time
Service date: · Scheduled departure date (America/Chicago)
Think UA4638 runs late today? Delayed is trading at 26¢ — pays out x3.87.
Will United Airlines UAL 4638 from Chicago to Colorado Springs arrive on time, be delayed, or be cancelled on Oct 1?Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 17 min early
Chicago → Colorado Springs
- 26 min early
Chicago → Colorado Springs
- 18 min early
Chicago → Colorado Springs
- 63 min late
Chicago → Colorado Springs
- 35 min early
Chicago → Colorado Springs
Is UA4638 usually late?
Observation window: Sep 1, 2026 – Oct 1, 2026
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
Chicago (ORD) departures
- Left more than 15 min late
- 143 of 171
- Cancelled today
- 5
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 30, 2026Arrived | Chicago | Colorado Springs | -17 | |
| Sep 29, 2026Arrived | Chicago | Colorado Springs | -26 | |
| Sep 28, 2026Arrived | Chicago | Colorado Springs | -18 | |
| Sep 27, 2026Arrived | Chicago | Colorado Springs | 63 | |
| Sep 26, 2026Arrived | Chicago | Colorado Springs | -35 | |
| Sep 25, 2026Arrived | Chicago | Colorado Springs | -18 | |
| Sep 24, 2026Arrived | Chicago | Colorado Springs | 16 | |
| Sep 23, 2026Arrived | Chicago | Colorado Springs | -38 | |
| Sep 22, 2026Arrived | Chicago | Colorado Springs | -19 | |
| Sep 21, 2026Arrived | Chicago | Colorado Springs | -14 | |
| Sep 20, 2026Arrived | Chicago | Colorado Springs | 31 | |
| Sep 19, 2026Cancelled | Chicago | Colorado Springs | Not available | Not available |
| Sep 18, 2026Arrived | Chicago | Colorado Springs | -25 | |
| Sep 17, 2026Arrived | Chicago | Colorado Springs | 92 | |
| Sep 16, 2026Arrived | Chicago | Colorado Springs | 3 | |
| Sep 15, 2026Arrived | Chicago | Colorado Springs | 182 | |
| Sep 14, 2026Arrived | Chicago | Colorado Springs | 3 | |
| Sep 13, 2026Arrived | Chicago | Colorado Springs | -18 | |
| Sep 12, 2026Arrived | Chicago | Colorado Springs | -34 | |
| Sep 11, 2026Arrived | Chicago | Colorado Springs | -14 | |
| Sep 10, 2026Arrived | Chicago | Colorado Springs | 17 | |
| Sep 9, 2026Arrived | Chicago | Colorado Springs | 2 | |
| Sep 8, 2026Arrived | Chicago | Colorado Springs | -12 | |
| Sep 7, 2026Arrived | Chicago | Colorado Springs | -28 | |
| Sep 6, 2026Arrived | Chicago | Colorado Springs | 16 | |
| Sep 5, 2026Arrived | Chicago | Colorado Springs | 93 | |
| Sep 4, 2026Arrived | Chicago | Colorado Springs | -17 | |
| Sep 3, 2026Arrived | Chicago | Colorado Springs | 0 | |
| Sep 2, 2026Cancelled | Chicago | Colorado Springs | Not available | Not available |
| Sep 1, 2026Cancelled | Chicago | Colorado Springs | Not available | Not available |
Email me if UA4638 runs late
We email you if your next UA4638 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.