PBI to STL flight delays & on-time performance
Nonstop flights from Palm Beach International Airport to St. Louis Lambert International Airport · 1,023 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PBI or STL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from West Palm Beach/Palm Beach (PBI) to St. Louis (STL) arrived on time 63% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0% were cancelled, and 11% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- The largest source of delay minutes was late-arriving aircraft (73%).
Which airline is most on time from PBI to STL?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 63% | 0.0% | 21 min | 10.5% | 38 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
Not enough departures across different hours to compare.
Best day of the week
On-time arrival rate by day of departure.
- Monday40%0.0% cancelled
- Tuesday75%0.0% cancelled
- Wednesday50%0.0% cancelled
- Thursday40%0.0% cancelled
- Friday80%0.0% cancelled
- Saturday80%0.0% cancelled
- Sunday60%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft73%
- Air traffic control & airport congestion16%
- Extreme weather8%
- Airline (crew, maintenance, cleaning, fueling)3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
PBI to STL: common questions
- How often are PBI to STL flights on time?
- 63% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from West Palm Beach/Palm Beach to St. Louis cancelled?
- 0.0% of scheduled flights were cancelled (0 of 38).
- How long are typical delays?
- Across all flights the average arrival delay was 21 min (early arrivals count as zero). Flights that were late arrived 54 min behind schedule on average, and 10.5% of flights were an hour or more late.
- How long is taxi time at PBI?
- Flights on this route spent 19 min taxiing from the gate to takeoff on average.
Related routes
Return trip: STL to PBI — 53% on time
More flights from West Palm Beach/Palm Beach
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PBI → STL, nonstop flights by US airlines that report to the DOT. How we calculate this.