BWI to FLL flight delays
Baltimore, MD (BWI) Fort Lauderdale, FL (FLL) · 925 miles
3,108 flights · January 2025 – August 2026 · US Bureau of Transportation Statistics
76.04%
Arrived on time
Within 15 minutes of schedule
2.41%
Cancelled
Share of scheduled flights
62 min
When late, late by
Average across delayed arrivals
16 min
Delay per flight
Averaged over every flight flown
What the record says about this route
Which airline you fly changes the odds here. Spirit Airlines arrived on time 16.9 points more often than Frontier Airlines over the same period on the same route — same airports, same weather, same air traffic control. A gap that survives all of that is about how the two airlines are run.
The season swings this route hard. In September it ran 24.5 points more punctual than in December — a difference bigger than the one between the best and worst airlines on most routes. If the date is flexible, it is worth more than the carrier.
The Baltimore to Fort Lauderdale route sits close to the middle of the record — neither notably punctual nor notably late.
Which airline should you fly on this route?
Over January 2025 – August 2026, Spirit Airlines arrived on time most often on BWI to FLL. Frontier Airlines was late most often. Flights ran closest to schedule in September and worst in December.
Every airline on BWI to FLL
Ranked by how many flights each one operated. A carrier with fewer than 100 flights in the period is listed but not graded.
| Airline | Flights | On time | Cancelled | Avg delay | Grade |
|---|---|---|---|---|---|
| Southwest Airlines | 2,126 | 75.94% | 1.51% | 57 min | C |
| Spirit Airlines | 847 | 78.5% | 3.9% | 68 min | D |
| Frontier Airlines | 135 | 61.6% | 7.41% | 87 min | F |
Month by month
Share of flights that arrived within 15 minutes of schedule, by month flown.
Common questions
Are flights from Baltimore to Fort Lauderdale usually delayed?
76.04% of flights on the BWI to FLL route arrived within 15 minutes of schedule, so roughly 2 in every ten arrived late. That is about the same as the average route in this record.
Which airline is most on time from Baltimore to Fort Lauderdale?
Spirit Airlines, at 78.5% on time across 847 flights. The least punctual on the route was Frontier Airlines at 61.6%.
How often are BWI to FLL flights cancelled?
2.41% of scheduled flights did not operate — about 24 in every thousand. That is in the normal range.
What is the best month to fly Baltimore to Fort Lauderdale?
September, when 84.1% of flights arrived on time. The worst was December at 59.6%.
When BWI to FLL flights are late, how late are they?
About 62 minutes on average across the flights that arrived more than 15 minutes behind schedule.
What these figures do and do not tell you
Everything on this page is counted from the flights that actually operated on BWI to FLL during January 2025 – August 2026, as reported by the airlines to the US Bureau of Transportation Statistics. "On time" is the federal definition: arriving at the gate within 15 minutes of the scheduled time.
A route's record is a description of the past, not a forecast. Weather, air traffic control and the aircraft's earlier flights that day drive most delays, and none of them are predictable from a historical rate. What the record does tell you is whether this route runs late more often than others, and which carrier on it has the better history — which is the part you can actually act on when you book.
Cancellations are counted separately from delays because they are a different problem for a traveller: a late flight still gets you there. How the grade is calculated →