Is UA1218 delayed?
Service date: · Scheduled departure date (America/Los_Angeles)
Arrived
19 min early
Official source · Updated
Departure
Seattle
SEA
Actual
Scheduled 18:31
Sep 18
Arrival
Denver
DEN
Actual
Scheduled 21:52
Sep 18
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 42 min late
ORD → CVG
- 20 min late
SEA → DEN
- 275 min late
ORD → CVG
- 19 min early
SEA → DEN
- 3 min early
SEA → DEN
Flight history and details
Aug 24, 2026 — Sep 23, 2026
- Observed arrivals
- 23
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 0
- Observed occurrences
- 23
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 21, 2026Arrived | Chicago | Hebron | 42 | |
| Sep 20, 2026Arrived | Seattle | Denver | 20 | |
| Sep 19, 2026Arrived | Chicago | Hebron | 275 | |
| Sep 18, 2026Arrived | Seattle | Denver | -19 | |
| Sep 17, 2026Arrived | Seattle | Denver | -3 | |
| Sep 16, 2026Arrived | Seattle | Denver | -9 | |
| Sep 14, 2026Arrived | Chicago | Hebron | -1 | |
| Sep 13, 2026Arrived | Seattle | Denver | 2 | |
| Sep 12, 2026Arrived | Chicago | Hebron | -4 | |
| Sep 7, 2026Arrived | Seattle | Los Angeles | -10 | |
| Sep 5, 2026Arrived | Seattle | Los Angeles | -24 | |
| Sep 4, 2026Arrived | Seattle | Denver | -16 | |
| Sep 3, 2026Arrived | Seattle | Denver | -12 | |
| Sep 2, 2026Arrived | Seattle | Denver | 3 | |
| Sep 1, 2026Arrived | Seattle | Los Angeles | -16 | |
| Aug 31, 2026Arrived | Seattle | Los Angeles | -19 | |
| Aug 30, 2026Arrived | Seattle | Denver | -25 | |
| Aug 29, 2026Arrived | Seattle | Los Angeles | -27 | |
| Aug 28, 2026Arrived | Seattle | Denver | -10 | |
| Aug 27, 2026Arrived | Seattle | Denver | -23 | |
| Aug 26, 2026Arrived | Seattle | Denver | -21 | |
| Aug 25, 2026Arrived | Seattle | Los Angeles | -6 | |
| Aug 24, 2026Arrived | Seattle | Los Angeles | -28 |