Is WN999 delayed?
Service date: · Scheduled departure date (America/New_York)
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Departure
Boston
BOS
Scheduled
Sep 16
Arrival
St Louis
STL
Scheduled
Sep 17
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
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BOSSTL
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 43 min late
BOS → STL
- 15 min early
MCI → DEN
- 23 min early
BOS → STL
- 16 min early
BOS → STL
- 3 min early
BOS → STL
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 13
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 0
- Observed occurrences
- 16
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 | Boston | St Louis | 43 | |
| Sep 14, 2026Arrived | Kansas City | Denver | -15 | |
| Sep 9, 2026Arrived | Boston | St Louis | -23 | |
| Sep 8, 2026Arrived | Boston | St Louis | -16 | |
| Sep 5, 2026Arrived | Boston | St Louis | -3 | |
| Sep 4, 2026Arrived | Kansas City | Denver | 0 | |
| Sep 2, 2026Arrived | Boston | St Louis | 112 | |
| Sep 1, 2026Arrived | Boston | St Louis | 159 | |
| Aug 30, 2026Arrived | Boston | St Louis | -26 | |
| Aug 29, 2026Arrived | Boston | St Louis | -4 | |
| Aug 26, 2026Arrived | Boston | St Louis | -4 | |
| Aug 25, 2026Arrived | Boston | St Louis | 5 | |
| Aug 22, 2026Arrived | Boston | St Louis | -16 |