ON TIMEBOARD

PDX → MFR on time

Portland (Portland, OR) to Rogue Valley -Medford (Medford, OR). Every scheduled flight, September 2025 to August 2026.

On time
85%
arrived < 15 min late
Cancelled
1.3%
1,264 flights
Typical arrival
−5 min
median vs schedule
When late
+51 min
average delay
Flights / day
3
1 airline

85% of flights from Portland to Medford arrived on time over the past 12 months. That is better than the typical U.S. route. The 2 p.m. departures ran on time 87% of the time; the 5 p.m. ones 79%. 5% 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 PDX → MFR: when a flight was late, it was under 45 minutes late 67% of the time. About 1 in 29 flights landed an hour or more late, and 1 in 316 three hours or more; 1.3% were cancelled outright.

Share of all 1,264 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Alaska Airlines1,26485%1.3%−5 min3.4%+51 minHorizon Air 75%, SkyWest 25%

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

40%70%100%10 a.m. departures: 85% on time (346 flights)8510a11 a.m. departures: too few flights (3 flights)11anoon departures: too few flights12p1 p.m. departures: too few flights1p2 p.m. departures: 87% on time (317 flights)872p3 p.m. departures: too few flights (36 flights)3p4 p.m. departures: too few flights4p5 p.m. departures: 79% on time (126 flights)795p6 p.m. departures: too few flights (98 flights)6p7 p.m. departures: too few flights7p8 p.m. departures: too few flights8p9 p.m. departures: 84% on time (248 flights)849p10 p.m. departures: too few flights (90 flights)10p
PDX → MFR, 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 PDX → MFR, each airline's last flight of the day was cancelled 2.5% of the time, against 0.9% for its earlier flights (2.8× as often). It arrived 3+ hours late 0.0% of the time (earlier flights: 0.4%). 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
Alaska Airlines10:04 p.m.2.5%0.0%0.9%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 MFR 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: December (80%).

40%70%100%Jan: 82% on time (163 flights)82JanFeb: 87% on time (157 flights)87FebMar: 84% on time (180 flights)84MarApr: 89% on time (175 flights)89AprMay: 86% on time (217 flights)86MayJun: 87% on time (234 flights)87JunJul: 83% on time (242 flights)83JulAug: 81% on time (271 flights)81AugSep: 90% on time (171 flights)90SepOct: 88% on time (208 flights)88OctNov: 90% on time (187 flights)90NovDec: 80% on time (187 flights)80Dec

By day of week

DayFlightsOn timeCancelled
Monday19488%0.5%
Tuesday17686%0.6%
Wednesday18784%1.1%
Thursday19081%3.2%
Friday18984%1.1%
Saturday13890%0.7%
Sunday19082%2.1%

Why flights were late

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

Late inbound plane 46%Airline (crew, maintenance, ops) 37%Air traffic & airport (NAS) 10%Severe weather 7%

Cancellations: weather 8 · airline 7 · air traffic/airport 2

Month by month

60%80%100%Sep 2023Jan 2024Jan 2025Jan 2026Aug 2025: 83% on time, 0.0% cancelledSep 2025: 89% on time, 0.0% cancelledOct 2025: 84% on time, 0.8% cancelledNov 2025: 87% on time, 1.9% cancelledDec 2025: 77% on time, 3.9% cancelledMar 2026: 85% on time, 1.0% cancelledMay 2026: 86% on time, 1.9% cancelledJun 2026: 91% on time, 0.9% cancelledJul 2026: 78% on time, 0.8% cancelledAug 2026: 76% on time, 0.9% cancelled
Share of flights on time, by month (hover a point for cancellations)
PDX → MFR, 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
AS 21252:52 p.m.22085%0.0%−5 minHorizon Air
AS 226610:04 p.m.20979%1.0%−3 minHorizon Air

Worst days in the past year

DateFlightsOn timeCancelled
Jul 12, 202640%1
Nov 13, 2025425%1
Oct 3, 2025425%0
Dec 15, 2025425%1
Jul 20, 2026425%0

Questions

How often are flights from PDX to MFR on time?

85% of 1,264 scheduled flights from Portland, OR to Medford, OR arrived within 15 minutes of schedule between September 2025 and August 2026. 1.3% were cancelled.

What is the best time of day to fly PDX to MFR?

Flights scheduled to leave at 2 p.m. were the most reliable (87% on time). The 5 p.m. departures were the least (79%).

What month has the most delays from PDX to MFR?

December (80% on time). The best month is September (90%), over 2023–2026.

Is the last flight of the day from PDX to MFR more likely to be cancelled?

Yes. Each airline's last PDX–MFR flight of the day was cancelled 2.5% of the time over the past year, against 0.9% 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.