Is WN1538 delayed?
Yes — WN1538 landed in Boston 21 min late, at 14:21 on Sep 29 (as of Sep 29, 18:21 UTC).
Usually on time: arrived within 15 min of schedule on 18 of the last 21 flights.
21 min late
Official source · Updated
Departure
St Louis
STL
Actual
Scheduled 10:38
Sep 29
Arrival
Boston
BOS
Actual
Scheduled 14:00
Sep 29
Times shown in airport local time
Service date: · Scheduled departure date (America/Chicago)
Market settled: Delayed.
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
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.
- 21 min late
St Louis → Boston
- On schedule (1 min behind)
San Jose → Las Vegas
- 6 min early
San Jose → Las Vegas
- 12 min early
San Jose → Las Vegas
- <1 min early
San Jose → Las Vegas
Is WN1538 usually late?
Observation window: Aug 31, 2026 – Sep 30, 2026
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
Boston (BOS) departures
- Left more than 15 min late
- 101 of 238
- Cancelled today
- 2
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 29, 2026Arrived | St Louis | Boston | 21 | |
| Sep 28, 2026Arrived | San Jose | Las Vegas | 1 | |
| Sep 27, 2026Arrived | San Jose | Las Vegas | -6 | |
| Sep 25, 2026Arrived | San Jose | Las Vegas | -12 | |
| Sep 24, 2026Arrived | San Jose | Las Vegas | 0 | |
| Sep 23, 2026Arrived | St Louis | Boston | 31 | |
| Sep 22, 2026Arrived | St Louis | Boston | -5 | |
| Sep 21, 2026Arrived | San Jose | Las Vegas | -1 | |
| Sep 20, 2026Arrived | San Jose | Las Vegas | 21 | |
| Sep 18, 2026Arrived | San Jose | Las Vegas | -1 | |
| Sep 17, 2026Arrived | San Jose | Las Vegas | -17 | |
| Sep 16, 2026Arrived | St Louis | Boston | 6 | |
| Sep 14, 2026Arrived | San Jose | Las Vegas | -8 | |
| Sep 13, 2026Arrived | San Jose | Las Vegas | -11 | |
| Sep 11, 2026Arrived | San Jose | Las Vegas | -14 | |
| Sep 10, 2026Arrived | San Jose | Las Vegas | -9 | |
| Sep 9, 2026Arrived | St Louis | Boston | -6 | |
| Sep 8, 2026Arrived | St Louis | Boston | -2 | |
| Sep 7, 2026Arrived | San Jose | Las Vegas | -15 | |
| Sep 6, 2026Arrived | Nashville | Sarasota/Bradenton | 5 | |
| Sep 4, 2026Arrived | San Jose | Las Vegas | -1 |
Email me if WN1538 runs late
We email you if your next WN1538 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.