Is CM1821 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
31 min early
Official source · Updated
Departure
Grand Rapids
GRR
Scheduled
Sep 18
Arrival
Chicago
ORD
Actual
Scheduled 10:29
Sep 18
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
Operating flight: UAL3677
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GRRORD
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 31 min early
GRR → ORD
- On time
GRR → ORD
- 32 min early
GRR → ORD
- 43 min early
GRR → ORD
- 39 min early
GRR → ORD
Flight history and details
Aug 20, 2026 — Sep 19, 2026
- Observed arrivals
- 5
- Arrivals over 15 minutes late
- 0
- Observed cancellations
- 0
- Observed occurrences
- 5
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 18, 2026Arrived | Grand Rapids | Chicago | -31 | |
| Sep 14, 2026Arrived | Grand Rapids | Chicago | 0 | |
| Sep 11, 2026Arrived | Grand Rapids | Chicago | -32 | |
| Sep 7, 2026Arrived | Grand Rapids | Chicago | -43 | |
| Sep 6, 2026Arrived | Grand Rapids | Chicago | -39 |