ON TIMEBOARD

PHL → LEX on time

Philadelphia (Philadelphia, PA) to Blue Grass (Lexington, KY). Every scheduled flight, September 2025 to August 2026.

On time
68%
arrived < 15 min late
Cancelled
5.4%
429 flights
Typical arrival
−12 min
median vs schedule
When late
+84 min
average delay
Flights / day
1
1 airline

68% of flights from Philadelphia to Lexington 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 PHL → LEX: when a flight was late, it was under 45 minutes late 42% of the time. About 1 in 8 flights landed an hour or more late, and 1 in 43 three hours or more; 5.4% were cancelled outright.

Share of all 429 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines42968%5.4%−12 min12.1%+84 minPSA 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 PHL). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%1 p.m. departures: too few flights (72 flights)1p2 p.m. departures: 68% on time (102 flights)682p3 p.m. departures: too few flights (70 flights)3p4 p.m. departures: too few flights (12 flights)4p5 p.m. departures: too few flights (1 flights)5p6 p.m. departures: too few flights (1 flights)6p7 p.m. departures: too few flights (4 flights)7p8 p.m. departures: too few flights (74 flights)8p9 p.m. departures: too few flights (66 flights)9p10 p.m. departures: too few flights (27 flights)10p
PHL → LEX, 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 PHL → LEX, each airline's last flight of the day was cancelled 9.4% of the time, against 3.6% for its earlier flights (2.6× as often). It arrived 3+ hours late 2.9% of the time (earlier flights: 2.9%). 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
American Airlines8:32 p.m.9.4%2.9%3.6%first flight 2:30 p.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.

If you need to be in LEX tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: April (81%). Worst: July (62%).

40%70%100%Jan: too few flights (79 flights)JanFeb: too few flights (66 flights)FebMar: too few flights (62 flights)MarApr: 81% on time (100 flights)81AprMay: 71% on time (139 flights)71MayJun: 71% on time (123 flights)71JunJul: 62% on time (122 flights)62JulAug: 71% on time (124 flights)71AugSep: too few flights (90 flights)SepOct: 78% on time (129 flights)78OctNov: too few flights (94 flights)NovDec: too few flights (61 flights)Dec

By day of week

DayFlightsOn timeCancelled
Monday63——
Tuesday57——
Wednesday63——
Thursday61——
Friday62——
Saturday61——
Sunday62——

Why flights were late

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

Late inbound plane 44%Airline (crew, maintenance, ops) 35%Air traffic & airport (NAS) 13%Severe weather 8%

Cancellations: weather 19 · air traffic/airport 4

Month by month

Not enough months with data to draw a trend.

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
AA 52491:20 p.m.13069%3.9%−11 minPSA Airlines

Questions

How often are flights from PHL to LEX on time?

68% of 429 scheduled flights from Philadelphia, PA to Lexington, KY arrived within 15 minutes of schedule between September 2025 and August 2026. 5.4% were cancelled.

What month has the most delays from PHL to LEX?

July (62% on time). The best month is April (81%), over 2023–2026.

Is the last flight of the day from PHL to LEX more likely to be cancelled?

Yes. Each airline's last PHL–LEX flight of the day was cancelled 9.4% of the time over the past year, against 3.6% 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.