ON TIMEBOARD

FLL → TYS on time

Fort Lauderdale (Fort Lauderdale, FL) to McGhee Tyson (Knoxville, TN). Every scheduled flight, September 2025 to August 2026.

On time
59%
arrived < 15 min late
Cancelled
0.8%
478 flights
Typical arrival
+4 min
median vs schedule
When late
+90 min
average delay
Flights / day
1
1 airline

59% of flights from Fort Lauderdale to Knoxville arrived on time over the past 12 months. That is worse than the typical U.S. route. 18% 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 FLL → TYS: when a flight was late, it was under 45 minutes late 44% of the time. About 1 in 6 flights landed an hour or more late, and 1 in 30 three hours or more; 0.8% were cancelled outright.

Share of all 478 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Allegiant Air47859%0.8%+4 min16.7%+90 minAllegiant Air

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 FLL). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%6 a.m. departures: too few flights (51 flights)6a7 a.m. departures: too few flights (10 flights)7a8 a.m. departures: too few flights (47 flights)8a9 a.m. departures: too few flights (22 flights)9a10 a.m. departures: too few flights (59 flights)10a11 a.m. departures: too few flights (15 flights)11anoon departures: too few flights (61 flights)12p1 p.m. departures: too few flights (33 flights)1p2 p.m. departures: too few flights (22 flights)2p3 p.m. departures: too few flights (25 flights)3p4 p.m. departures: too few flights (35 flights)4p5 p.m. departures: too few flights (13 flights)5p6 p.m. departures: too few flights (62 flights)6p
FLL → TYS, 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

Last flight of the day

On FLL → TYS, each airline's last flight of the day was cancelled 0.8% of the time, against 1.4% for its earlier flights, so here the last flight is actually the safer one. It arrived 3+ hours late 5.3% of the time (earlier flights: 3.5%). 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
Allegiant Air2:08 p.m.0.8%5.3%1.4%first flight 11:00 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: April (76%). Worst: December (54%).

40%70%100%Jan: 58% on time (103 flights)58JanFeb: too few flights (87 flights)FebMar: 64% on time (138 flights)64MarApr: 76% on time (106 flights)76AprMay: 57% on time (102 flights)57MayJun: 60% on time (121 flights)60JunJul: 59% on time (131 flights)59JulAug: 71% on time (113 flights)71AugSep: too few flights (81 flights)SepOct: 65% on time (111 flights)65OctNov: too few flights (88 flights)NovDec: 54% on time (114 flights)54Dec

By day of week

DayFlightsOn timeCancelled
Monday64——
Tuesday31——
Wednesday51——
Thursday88——
Friday63——
Saturday90——
Sunday91——

Why flights were late

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

Late inbound plane 35%Air traffic & airport (NAS) 32%Severe weather 18%Airline (crew, maintenance, ops) 15%

Cancellations: weather 4

Month by month

Not enough months with data to draw a trend.

Worst days in the past year

DateFlightsOn timeCancelled
Jan 4, 202630%0
Dec 28, 202530%0
Dec 23, 2025333%0
Dec 20, 2025333%0
Mar 14, 2026333%0

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Fort Lauderdale or Knoxville. MIA → TYS has been 15 points more reliable.

RouteFlightsOn timeCancelled
FLL → TYS (this route)47859%0.8%
MIA → TYS Miami to McGhee Tyson50675%0.6%

Questions

How often are flights from FLL to TYS on time?

59% of 478 scheduled flights from Fort Lauderdale, FL to Knoxville, TN arrived within 15 minutes of schedule between September 2025 and August 2026. 0.8% were cancelled.

What month has the most delays from FLL to TYS?

December (54% on time). The best month is April (76%), over 2023–2026.

Is the last flight of the day from FLL to TYS more likely to be cancelled?

No, the opposite. Each airline's last FLL–TYS flight of the day was cancelled 0.8% of the time over the past year, against 1.4% 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.