Is UAL4029 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
9 min early
Official source · Updated
Departure
Colorado Springs
COS
Actual
Scheduled 18:38
Sep 19
Arrival
Houston
IAH
Actual
Scheduled 15:32
Sep 19
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
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COSIAH
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 9 min early
COS → IAH
- 12 min early
COS → IAH
- 6 min early
COS → IAH
- <1 min early
COS → IAH
- <1 min late
COS → IAH
Flight history and details
Aug 20, 2026 — Sep 19, 2026
- Observed arrivals
- 15
- Arrivals over 15 minutes late
- 0
- Observed cancellations
- 0
- Observed occurrences
- 15
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 19, 2026Arrived | Colorado Springs | Houston | -9 | |
| Sep 18, 2026Arrived | Colorado Springs | Houston | -12 | |
| Sep 17, 2026Arrived | Colorado Springs | Houston | -6 | |
| Sep 16, 2026Arrived | Colorado Springs | Houston | 0 | |
| Sep 14, 2026Arrived | Colorado Springs | Houston | 0 | |
| Sep 13, 2026Arrived | Colorado Springs | Houston | -23 | |
| Sep 12, 2026Arrived | Colorado Springs | Houston | -19 | |
| Sep 11, 2026Arrived | Colorado Springs | Houston | -11 | |
| Sep 10, 2026Arrived | Colorado Springs | Houston | 0 | |
| Sep 9, 2026Arrived | Colorado Springs | Houston | -17 | |
| Sep 8, 2026Arrived | Colorado Springs | Houston | -6 | |
| Sep 7, 2026Arrived | Colorado Springs | Houston | -3 | |
| Sep 6, 2026Arrived | Colorado Springs | Houston | -20 | |
| Sep 5, 2026Arrived | Colorado Springs | Houston | 3 | |
| Sep 4, 2026Arrived | Colorado Springs | Houston | 2 |