ON TIMEBOARD

PHL → SCE on time

Philadelphia (Philadelphia, PA) to State College (State College, PA). Every scheduled flight, September 2025 to August 2026.

On time
76%
arrived < 15 min late
Cancelled
2.9%
1,161 flights
Typical arrival
−10 min
median vs schedule
When late
+85 min
average delay
Flights / day
3
1 airline

76% of flights from Philadelphia to State College arrived on time over the past 12 months. That is about the typical U.S. route. The 9 p.m. departures ran on time 84% of the time; the 5 p.m. ones 71%. 11% 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 → SCE: when a flight was late, it was under 45 minutes late 47% of the time. About 1 in 13 flights landed an hour or more late, and 1 in 65 three hours or more; 2.9% were cancelled outright.

Share of all 1,161 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines1,16176%2.9%−10 min7.8%+85 minPiedmont Airlines 99%, PSA Airlines 1%

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%8 a.m. departures: 75% on time (100 flights)758a9 a.m. departures: too few flights (44 flights)9a10 a.m. departures: 75% on time (181 flights)7510a11 a.m. departures: too few flights (44 flights)11anoon departures: too few flights (69 flights)12p1 p.m. departures: too few flights (75 flights)1p2 p.m. departures: too few flights (5 flights)2p3 p.m. departures: too few flights (1 flights)3p4 p.m. departures: too few flights (5 flights)4p5 p.m. departures: 71% on time (293 flights)715p6 p.m. departures: too few flights (1 flights)6p7 p.m. departures: too few flights (60 flights)7p8 p.m. departures: too few flights8p9 p.m. departures: 84% on time (136 flights)849p10 p.m. departures: 75% on time (147 flights)7510p
PHL → SCE, 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 → SCE, each airline's last flight of the day was cancelled 4.4% of the time, against 2.3% for its earlier flights (1.9× as often). It arrived 3+ hours late 1.7% of the time (earlier flights: 1.5%). 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
American Airlines10:25 p.m.4.4%1.7%2.3%first flight 10:40 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.

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

By month

Each calendar month pooled over 2023–2026. Best: September (90%). Worst: August (69%).

40%70%100%Jan: 72% on time (283 flights)72JanFeb: 77% on time (257 flights)77FebMar: 81% on time (279 flights)81MarApr: 89% on time (274 flights)89AprMay: 83% on time (271 flights)83MayJun: 77% on time (284 flights)77JunJul: 70% on time (303 flights)70JulAug: 69% on time (353 flights)69AugSep: 90% on time (296 flights)90SepOct: 87% on time (337 flights)87OctNov: 89% on time (276 flights)89NovDec: 82% on time (275 flights)82Dec

By day of week

DayFlightsOn timeCancelled
Monday17474%4.6%
Tuesday15883%1.9%
Wednesday16281%1.8%
Thursday16668%2.4%
Friday17174%2.9%
Saturday15780%1.9%
Sunday17374%4.6%

Why flights were late

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

Late inbound plane 54%Severe weather 19%Airline (crew, maintenance, ops) 14%Air traffic & airport (NAS) 13%

Cancellations: weather 28 · air traffic/airport 4 · airline 2

Month by month

50%75%100%Sep 2023Jan 2024Jan 2025Jan 2026Jan 2024: 68% on time, 6.6% cancelledAug 2024: 70% on time, 2.6% cancelledSep 2024: 89% on time, 0.0% cancelledOct 2024: 93% on time, 0.0% cancelledNov 2024: 90% on time, 0.0% cancelledJun 2025: 71% on time, 6.7% cancelledJul 2025: 64% on time, 7.6% cancelledAug 2025: 79% on time, 1.7% cancelledSep 2025: 92% on time, 1.0% cancelledOct 2025: 73% on time, 0.0% cancelledDec 2025: 77% on time, 3.0% cancelledJan 2026: 80% on time, 5.0% cancelledAug 2026: 59% on time, 5.1% cancelled
Share of flights on time, by month (hover a point for cancellations)
PHL → SCE, 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
AA 593410:25 p.m.31479%4.5%−12 minPiedmont Airlines

Worst days in the past year

DateFlightsOn timeCancelled
Oct 30, 202540%0
Aug 10, 202640%0
Aug 7, 202640%2
Feb 19, 202630%0
Mar 12, 202630%0

Questions

How often are flights from PHL to SCE on time?

76% of 1,161 scheduled flights from Philadelphia, PA to State College, PA 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 PHL to SCE?

Flights scheduled to leave at 9 p.m. were the most reliable (84% on time). The 5 p.m. departures were the least (71%).

What month has the most delays from PHL to SCE?

August (69% on time). The best month is September (90%), over 2023–2026.

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

Yes. Each airline's last PHL–SCE flight of the day was cancelled 4.4% of the time over the past year, against 2.3% 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.