ON TIMEBOARD

RSW → BOS on time

Southwest Florida (Fort Myers, FL) to Boston Logan (Boston, MA). Every scheduled flight, September 2025 to August 2026.

On time
68%
arrived < 15 min late
Cancelled
2.9%
2,168 flights
Typical arrival
−2 min
median vs schedule
When late
+84 min
average delay
Flights / day
6
3 airlines

68% of flights from Fort Myers to Boston arrived on time over the past 12 months. That is worse than the typical U.S. route. The 7 a.m. departures ran on time 89% of the time; the 7 p.m. ones 51%. Most reliable airline: Delta Air Lines (74%). 15% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for RSW → BOS: when a flight was late, it was under 45 minutes late 45% of the time. About 1 in 8 flights landed an hour or more late, and 1 in 39 three hours or more; 2.9% were cancelled outright.

Share of all 2,168 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
JetBlue1,54367%3.0%−2 min12.9%+87 minJetBlue
Delta Air Lines54974%1.3%−7 min8.2%+78 minDelta Air Lines
Spirit Airlines76—————Spirit Airlines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at RSW). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%6 a.m. departures: 89% on time (159 flights)896a7 a.m. departures: 89% on time (171 flights)897a8 a.m. departures: 87% on time (108 flights)878a9 a.m. departures: too few flights (16 flights)9a10 a.m. departures: 72% on time (243 flights)7210a11 a.m. departures: 71% on time (433 flights)7111anoon departures: too few flights (89 flights)12p1 p.m. departures: too few flights (40 flights)1p2 p.m. departures: 57% on time (120 flights)572p3 p.m. departures: too few flights (81 flights)3p4 p.m. departures: too few flights (65 flights)4p5 p.m. departures: too few flights (76 flights)5p6 p.m. departures: 58% on time (136 flights)586p7 p.m. departures: 51% on time (160 flights)517p8 p.m. departures: 57% on time (244 flights)578p9 p.m. departures: too few flights (25 flights)9p
RSW → BOS, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By airline and hour

DepartsJetBlueDelta Air Lines
6 a.m.89%—
7 a.m.89%—
8 a.m.87%—
10 a.m.—85%
11 a.m.68%76%
6 p.m.59%—
8 p.m.50%—

Last flight of the day

On RSW → BOS, each airline's last flight of the day was cancelled 2.8% of the time, against 2.9% for its earlier flights, about the same. It arrived 3+ hours late 2.4% of the time (earlier flights: 2.6%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
JetBlue8:43 p.m.3.0%2.5%3.1%first flight 11:04 a.m.
Delta Air Lines10:45 a.m.2.3%2.3%1.6%first flight 10:45 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

By month

Each calendar month pooled over 2023–2026. Best: November (81%). Worst: July (61%).

40%70%100%Jan: 70% on time (628 flights)70JanFeb: 66% on time (765 flights)66FebMar: 66% on time (927 flights)66MarApr: 79% on time (837 flights)79AprMay: 71% on time (524 flights)71MayJun: 71% on time (361 flights)71JunJul: 61% on time (368 flights)61JulAug: 72% on time (328 flights)72AugSep: 71% on time (317 flights)71SepOct: 73% on time (368 flights)73OctNov: 81% on time (529 flights)81NovDec: 68% on time (688 flights)68Dec

By day of week

DayFlightsOn timeCancelled
Monday32962%6.1%
Tuesday29565%3.7%
Wednesday29677%0.7%
Thursday31664%1.9%
Friday32469%2.2%
Saturday28370%1.1%
Sunday32566%4.3%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 45%Airline (crew, maintenance, ops) 27%Air traffic & airport (NAS) 25%Severe weather 3%

Cancellations: weather 39 · airline 19 · air traffic/airport 5

Month by month

50%75%100%Sep 2023Jan 2024Jan 2025Jan 2026Nov 2023: 81% on time, 0.0% cancelledDec 2023: 75% on time, 1.1% cancelledJan 2024: 66% on time, 1.0% cancelledFeb 2024: 69% on time, 0.8% cancelledMar 2024: 72% on time, 1.1% cancelledApr 2024: 78% on time, 1.6% cancelledMay 2024: 66% on time, 0.6% cancelledJun 2024: 67% on time, 2.5% cancelledJul 2024: 58% on time, 3.3% cancelledAug 2024: 61% on time, 2.6% cancelledSep 2024: 78% on time, 4.2% cancelledOct 2024: 80% on time, 8.4% cancelledNov 2024: 83% on time, 0.0% cancelledDec 2024: 65% on time, 1.8% cancelledJan 2025: 77% on time, 1.2% cancelledFeb 2025: 70% on time, 3.5% cancelledMar 2025: 68% on time, 1.8% cancelledApr 2025: 85% on time, 0.0% cancelledMay 2025: 69% on time, 0.0% cancelledJun 2025: 64% on time, 1.5% cancelledJul 2025: 63% on time, 3.9% cancelledAug 2025: 85% on time, 0.8% cancelledSep 2025: 69% on time, 0.0% cancelledOct 2025: 63% on time, 1.6% cancelledNov 2025: 77% on time, 1.7% cancelledDec 2025: 66% on time, 2.2% cancelledJan 2026: 65% on time, 6.2% cancelledFeb 2026: 58% on time, 9.2% cancelledMar 2026: 59% on time, 3.1% cancelledApr 2026: 73% on time, 0.7% cancelledMay 2026: 77% on time, 0.0% cancelledJun 2026: 84% on time, 0.9% cancelled
Share of flights on time, by month (hover a point for cancellations)
RSW → BOS, monthly on-time and cancellation rate.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
B6 26611:04 a.m.27966%1.8%−0 minJetBlue
B6 20668:43 p.m.30456%4.3%+8 minJetBlue

Worst days in the past year

DateFlightsOn timeCancelled
Feb 23, 2026110%11
Jan 26, 202660%3
Feb 7, 202650%0
Jan 27, 202650%2
Oct 14, 202540%0

Questions

How often are flights from RSW to BOS on time?

68% of 2,168 scheduled flights from Fort Myers, FL to Boston, MA arrived within 15 minutes of schedule between September 2025 and August 2026. 2.9% were cancelled.

What is the best time of day to fly RSW to BOS?

Flights scheduled to leave at 7 a.m. were the most reliable (89% on time). The 7 p.m. departures were the least (51%).

Which airline is most on time from RSW to BOS?

Delta Air Lines: 74% of its 549 flights on the route arrived on time. JetBlue: 67%.

What month has the most delays from RSW to BOS?

July (61% on time). The best month is November (81%), over 2023–2026.

Is the last flight of the day from RSW to BOS more likely to be cancelled?

Not much. Each airline's last RSW–BOS flight of the day was cancelled 2.8% of the time over the past year, against 2.9% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.