ON TIMEBOARD

BNA → GSP on time

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

On time
70%
arrived < 15 min late
Cancelled
0.7%
730 flights
Typical arrival
−1 min
median vs schedule
When late
+58 min
average delay
Flights / day
2
1 airline

70% of flights from Nashville to Greer arrived on time over the past 12 months. That is worse than the typical U.S. route. The 10 a.m. departures ran on time 91% of the time; the 4 p.m. ones 56%. 10% 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 BNA → GSP: when a flight was late, it was under 45 minutes late 61% of the time. About 1 in 11 flights landed an hour or more late, and 1 in 91 three hours or more; 0.7% 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 Airlines73070%0.7%−1 min8.9%+58 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 BNA). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%9 a.m. departures: too few flights (92 flights)9a10 a.m. departures: 91% on time (109 flights)9110a11 a.m. departures: too few flights (5 flights)11anoon departures: too few flights (4 flights)12p1 p.m. departures: too few flights (31 flights)1p2 p.m. departures: too few flights (35 flights)2p3 p.m. departures: 78% on time (112 flights)783p4 p.m. departures: 56% on time (101 flights)564p5 p.m. departures: too few flights (65 flights)5p6 p.m. departures: too few flights (17 flights)6p7 p.m. departures: too few flights (47 flights)7p8 p.m. departures: too few flights (91 flights)8p9 p.m. departures: too few flights (21 flights)9p
BNA → GSP, 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 BNA → GSP, 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 2.1% 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 Airlines8:30 p.m.0.5%2.1%0.0%first flight 10:05 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 (84%). Worst: July (56%).

40%70%100%Jan: too few flights (63 flights)JanFeb: too few flights (56 flights)FebMar: 71% on time (116 flights)71MarApr: 84% on time (120 flights)84AprMay: 65% on time (124 flights)65MayJun: 66% on time (147 flights)66JunJul: 56% on time (154 flights)56JulAug: 72% on time (155 flights)72AugSep: 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
Monday10564%0.0%
Tuesday10272%0.0%
Wednesday10274%0.0%
Thursday10472%0.0%
Friday10462%1.0%
Saturday10881%1.8%
Sunday10569%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 73%Airline (crew, maintenance, ops) 22%Air traffic & airport (NAS) 3%Severe weather 3%

Cancellations: weather 4 · air traffic/airport 1

Month by month

Not enough months with data to draw a trend.

Worst days in the past year

DateFlightsOn timeCancelled
Mar 27, 202630%0
Jun 22, 202630%0
Mar 16, 202630%0
Jul 29, 202630%0
Jun 11, 202630%0

Questions

How often are flights from BNA to GSP on time?

70% of 730 scheduled flights from Nashville, TN to Greer, SC arrived within 15 minutes of schedule between September 2025 and August 2026. 0.7% were cancelled.

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

Flights scheduled to leave at 10 a.m. were the most reliable (91% on time). The 4 p.m. departures were the least (56%).

What month has the most delays from BNA to GSP?

July (56% on time). The best month is April (84%), over 2023–2026.

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

Yes. Each airline's last BNA–GSP 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.