ON TIMEBOARD
GSP Greer / BNA Nashville

GSP → BNA on time

Greenville-Spartanburg (Greer, SC) to Nashville (Nashville, TN). Every scheduled flight, September 2025 to August 2026.

On time
83%
arrived < 15 min late
Cancelled
0.4%
730 flights
Typical arrival
−7 min
median vs schedule
When late
+45 min
average delay
Flights / day
2
1 airline

83% of flights from Greer to Nashville arrived on time over the past 12 months. That is better than the typical U.S. route. The 6 a.m. departures ran on time 98% of the time; the noon ones 83%. 4% 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 GSP → BNA: when a flight was late, it was under 45 minutes late 70% of the time. About 1 in 30 flights landed an hour or more late, and 1 in 183 three hours or more; 0.4% were cancelled outright.

Share of all 730 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Southwest Airlines73083%0.4%−7 min3.3%+45 minSouthwest 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 GSP). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%6 a.m. departures: 98% on time (112 flights)986a7 a.m. departures: too few flights (68 flights)7a8 a.m. departures: too few flights8a9 a.m. departures: too few flights9a10 a.m. departures: 89% on time (161 flights)8910a11 a.m. departures: too few flights (49 flights)11anoon departures: 83% on time (142 flights)8312p1 p.m. departures: too few flights (16 flights)1p2 p.m. departures: too few flights2p3 p.m. departures: too few flights (4 flights)3p4 p.m. departures: too few flights (1 flights)4p5 p.m. departures: too few flights (35 flights)5p6 p.m. departures: too few flights (95 flights)6p7 p.m. departures: too few flights (37 flights)7p
GSP → BNA, 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 GSP → BNA, each airline's last flight of the day was cancelled 0.5% of the time, against 0.0% for its earlier flights, about the same. It arrived 3+ hours late 1.1% of the time (earlier flights: 0.5%). 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
Southwest Airlines6:50 p.m.0.5%1.1%0.0%first flight 7:00 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: March (91%). Worst: June (74%).

40%70%100%Jan: too few flights (63 flights)JanFeb: too few flights (56 flights)FebMar: 91% on time (116 flights)91MarApr: 88% on time (120 flights)88AprMay: 79% on time (124 flights)79MayJun: 74% on time (147 flights)74JunJul: 80% on time (154 flights)80JulAug: 90% on time (155 flights)90AugSep: too few flights (60 flights)SepOct: too few flights (62 flights)OctNov: too few flights (63 flights)NovDec: too few flights (64 flights)Dec

By day of week

DayFlightsOn timeCancelled
Monday10575%0.0%
Tuesday10285%0.0%
Wednesday10288%0.0%
Thursday10480%0.0%
Friday10477%0.0%
Saturday10892%0.9%
Sunday10585%1.9%

Why flights were late

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

Late inbound plane 64%Airline (crew, maintenance, ops) 18%Air traffic & airport (NAS) 13%Severe weather 4%Security 1%

Cancellations: weather 2 · air traffic/airport 1

Month by month

Not enough months with data to draw a trend.

Worst days in the past year

DateFlightsOn timeCancelled
Jun 11, 202630%0
Jul 10, 202630%0
Jun 22, 202630%0
Jul 6, 2026333%0
Mar 16, 2026333%0

Questions

How often are flights from GSP to BNA on time?

83% of 730 scheduled flights from Greer, SC to Nashville, TN arrived within 15 minutes of schedule between September 2025 and August 2026. 0.4% were cancelled.

What is the best time of day to fly GSP to BNA?

Flights scheduled to leave at 6 a.m. were the most reliable (98% on time). The noon departures were the least (83%).

What month has the most delays from GSP to BNA?

June (74% on time). The best month is March (91%), over 2023–2026.

Is the last flight of the day from GSP to BNA more likely to be cancelled?

Yes. Each airline's last GSP–BNA flight of the day was cancelled 0.5% of the time over the past year, against 0.0% 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.