Air travel

How often are flights at West Palm Beach/Palm Beach (PBI) late?

In the 12 months through August 2026, 25.6% of flights leaving West Palm Beach/Palm Beach (PBI) left 15 or more minutes late, the 15th most of the 102 U.S. airports with at least 10,000 departures, against 22.9% of all U.S. flights. Airlines cancelled 2.6% of its scheduled departures (1.9% nationwide), the 20th most of the 102. Its worst month was December 2025, when 31.8% left late. Flights scheduled to leave in the 7 p.m. hour were late most often (41.6%), and those in the 6 a.m. hour least often (5.2%).

Left 15+ minutes late

25.6%

The 15th most of 102 airports

Cancelled

2.6%

The 20th most of 102 airports

Worst month

December 2025

31.8% left late

Flights leaving West Palm Beach/Palm Beach (PBI) 15+ minutes late, each month

The interactive chart needs JavaScript. The numbers are in the tables below.

Flights leaving West Palm Beach/Palm Beach (PBI) 15+ minutes late, by scheduled departure hour

The interactive chart needs JavaScript. The numbers are in the tables below.

Hours are local time at West Palm Beach/Palm Beach. Delays build through the day as late planes make their next flights late too. Hours with fewer than about one flight a day are left out.

The numbers

Departures from West Palm Beach/Palm Beach (PBI) each month and each scheduled departure hour.

Flights leaving West Palm Beach/Palm Beach (PBI) by month
Month Scheduled Left late Cancelled
September 2025 1,818 19.2% 0.4%
October 2025 2,268 21.7% 0.9%
November 2025 2,792 25.1% 2.1%
December 2025 3,186 31.8% 1.9%
January 2026 3,108 27.0% 5.5%
February 2026 2,973 25.6% 4.8%
March 2026 3,385 31.2% 3.5%
April 2026 3,067 24.8% 0.6%
May 2026 2,545 18.6% 1.0%
June 2026 2,154 22.4% 1.8%
July 2026 2,102 29.0% 5.3%
August 2026 0 0.0% 0.0%
Flights leaving West Palm Beach/Palm Beach (PBI) by departure hour
Departure hour Scheduled Left late Cancelled
6 a.m. 2,271 5.2% 2.0%
7 a.m. 2,371 5.5% 2.8%
8 a.m. 1,205 9.5% 1.2%
9 a.m. 1,403 14.7% 1.9%
10 a.m. 1,970 17.5% 2.9%
11 a.m. 2,403 20.9% 2.6%
Noon 2,687 24.6% 2.1%
1 p.m. 1,753 30.8% 2.1%
2 p.m. 1,855 34.6% 3.0%
3 p.m. 1,723 34.2% 2.0%
4 p.m. 1,713 36.2% 2.9%
5 p.m. 1,963 36.8% 2.5%
6 p.m. 2,154 37.7% 3.4%
7 p.m. 2,316 41.6% 3.8%
8 p.m. 1,202 37.7% 3.6%

Source and notes

U.S. Bureau of Transportation Statistics, Airline On-Time Performance (Reporting Carrier On-Time Performance, 1987–present) (Public domain (U.S. government work)). Data from September 2025 through August 2026.

These are domestic flights of the large U.S. airlines that report to the Bureau of Transportation Statistics, including the regional airlines that fly for them. A flight is late when it leaves its gate 15 or more minutes after its scheduled time, out of the flights that left; cancellations are out of the flights scheduled. BTS posts each month about two months after it ends, and this page moves on a month when it does.