Is UA2100 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (America/Los_Angeles)
No live update yet
Check with your airline for the latest status.
Update time unavailable
Departure
San Francisco
SFO
Scheduled
Sep 16
Arrival
Kalispell
FCA
Scheduled
Sep 16
Times shown in airport local time
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.
Service date: · Scheduled departure date (UTC)
84 min late
This update may be out of date. Check with your airline.
Update time unavailable
Departure
St Louis
STL
Scheduled
Sep 16
Arrival
San Francisco
SFO
Estimated
Sep 16
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- 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.
- 12 min early
SFO → FCA
- 8 min early
STL → SFO
- 19 min late
STL → SFO
- 22 min early
SFO → FCA
- 61 min late
STL → SFO
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 31
- Arrivals over 15 minutes late
- 13
- Observed cancellations
- 0
- Observed occurrences
- 55
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 15, 2026Arrived | San Francisco | Kalispell | -12 | |
| Sep 14, 2026Arrived | St Louis | San Francisco | -8 | |
| Sep 13, 2026Arrived | St Louis | San Francisco | 19 | |
| Sep 12, 2026Arrived | San Francisco | Kalispell | -22 | |
| Sep 11, 2026Arrived | St Louis | San Francisco | 61 | |
| Sep 10, 2026Arrived | San Francisco | Kalispell | -2 | |
| Sep 10, 2026Arrived | St Louis | San Francisco | 12 | |
| Sep 9, 2026Arrived | San Francisco | Kalispell | 35 | |
| Sep 9, 2026Arrived | St Louis | San Francisco | -2 | |
| Sep 8, 2026Arrived | San Francisco | Kalispell | -12 | |
| Sep 7, 2026Arrived | San Francisco | Kalispell | 75 | |
| Sep 7, 2026Arrived | Phoenix | San Francisco | 21 | |
| Sep 6, 2026Arrived | San Francisco | Kalispell | -12 | |
| Sep 6, 2026Arrived | Phoenix | San Francisco | -11 | |
| Sep 5, 2026Arrived | San Francisco | Kalispell | -16 | |
| Sep 5, 2026Arrived | Phoenix | San Francisco | -9 | |
| Sep 4, 2026Arrived | Phoenix | San Francisco | 29 | |
| Sep 3, 2026Arrived | Phoenix | San Francisco | -7 | |
| Sep 2, 2026Arrived | Phoenix | San Francisco | -12 | |
| Sep 1, 2026Arrived | Phoenix | San Francisco | 86 | |
| Aug 31, 2026Arrived | Phoenix | San Francisco | 86 | |
| Aug 30, 2026Arrived | Phoenix | San Francisco | 137 | |
| Aug 29, 2026Arrived | Phoenix | San Francisco | -5 | |
| Aug 28, 2026Arrived | Phoenix | San Francisco | 67 | |
| Aug 27, 2026Arrived | Phoenix | San Francisco | -15 | |
| Aug 26, 2026Arrived | Phoenix | San Francisco | -14 | |
| Aug 25, 2026Arrived | Phoenix | San Francisco | 71 | |
| Aug 24, 2026Arrived | Phoenix | San Francisco | -9 | |
| Aug 23, 2026Arrived | Phoenix | San Francisco | 58 | |
| Aug 22, 2026Arrived | Phoenix | San Francisco | -16 | |
| Aug 21, 2026Arrived | Phoenix | San Francisco | 53 |