Is AA851 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (UTC)
Arrived
17 min early
Official source · Updated
Departure
Missoula
MSO
Actual
Scheduled 19:42
Sep 4
Arrival
Dallas-Fort Worth
DFW
Actual
Scheduled 17:34
Sep 4
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Service date: · Scheduled departure date (America/Chicago)
Arrived
15 min early
Official source · Updated
Departure
Dallas-Fort Worth
DFW
Actual
Scheduled 10:10
Sep 4
Arrival
Missoula
MSO
Actual
Scheduled 18:35
Sep 4
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
MSODFW
DFWMSO
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 4 min early
ORD → ATL
- 23 min early
ORD → ATL
- 3 min early
ORD → ATL
- 7 min early
ORD → ATL
- 11 min early
ORD → ATL
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 18
- Arrivals over 15 minutes late
- 1
- Observed cancellations
- 1
- Observed occurrences
- 33
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 17, 2026Cancelled | Chicago | Atlanta | Not available | Not available |
| Sep 16, 2026Arrived | Chicago | Atlanta | -4 | |
| Sep 14, 2026Arrived | Chicago | Atlanta | -23 | |
| Sep 13, 2026Arrived | Chicago | Atlanta | -3 | |
| Sep 12, 2026Arrived | Chicago | Atlanta | -7 | |
| Sep 10, 2026Arrived | Chicago | Atlanta | -11 | |
| Sep 9, 2026Arrived | Chicago | Atlanta | -19 | |
| Sep 8, 2026Arrived | Missoula | Dallas-Fort Worth | -3 | |
| Sep 8, 2026Arrived | Dallas-Fort Worth | Missoula | -11 | |
| Sep 7, 2026Arrived | Missoula | Dallas-Fort Worth | -5 | |
| Sep 7, 2026Arrived | Dallas-Fort Worth | Missoula | 3 | |
| Sep 6, 2026Arrived | Missoula | Dallas-Fort Worth | -9 | |
| Sep 6, 2026Arrived | Dallas-Fort Worth | Missoula | -6 | |
| Sep 5, 2026Arrived | Missoula | Dallas-Fort Worth | -19 | |
| Sep 5, 2026Arrived | Dallas-Fort Worth | Missoula | -32 | |
| Sep 4, 2026Arrived | Missoula | Dallas-Fort Worth | -17 | |
| Sep 4, 2026Arrived | Dallas-Fort Worth | Missoula | -15 | |
| Sep 1, 2026Arrived | Dallas-Fort Worth | Missoula | -8 | |
| Aug 31, 2026Arrived | Dallas-Fort Worth | Missoula | 47 |