Southwest Airlines
Is SWA4840 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
16 min late
Official source · Updated
Departure
Chicago
MDW
Scheduled
Sep 15
Arrival
Portland
PDX
Actual
Scheduled 06:05
Sep 15
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
MDWPDX
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 16 min late
MDW → PDX
- 33 min late
MDW → PDX
- 64 min late
MDW → PDX
- 110 min late
MDW → PDX
- 2 min late
MDW → PDX
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 7
- Arrivals over 15 minutes late
- 5
- Observed cancellations
- 0
- Observed occurrences
- 7
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 | Chicago | Portland | 16 | |
| Sep 12, 2026Arrived | Chicago | Portland | 33 | |
| Sep 12, 2026Arrived | Chicago | Portland | 64 | |
| Sep 11, 2026Arrived | Chicago | Portland | 110 | |
| Sep 8, 2026Arrived | Chicago | Portland | 2 | |
| Sep 5, 2026Arrived | Chicago | Portland | 8 | |
| Sep 5, 2026Arrived | Chicago | Portland | 20 |