ON TIMEBOARD

PHX → MEM on time

Phoenix Sky Harbor (Phoenix, AZ) to Frederick W. Smith (Memphis, TN). Every scheduled flight, September 2025 to August 2026.

On time
73%
arrived < 15 min late
Cancelled
1.3%
458 flights
Typical arrival
0 min
median vs schedule
When late
+42 min
average delay
Flights / day
1
4 airlines

73% of flights from Phoenix to Memphis arrived on time over the past 12 months. That is worse than the typical U.S. route. The 7 p.m. departures ran on time 74% of the time; the 6 p.m. ones 70%. Most reliable airline: American Airlines (73%). 6% 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 PHX → MEM: when a flight was late, it was under 45 minutes late 72% of the time. About 1 in 22 flights landed an hour or more late, and 1 in 229 three hours or more; 1.3% were cancelled outright.

Share of all 458 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines34473%1.5%−1 min5.5%+46 minAmerican Airlines 56%, Envoy 40%, SkyWest 4%
Southwest Airlines10972%0.9%+2 min1.8%+30 minSouthwest Airlines
Frontier Airlines4—————Frontier Airlines
Delta Air Lines1—————Delta Air Lines

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 PHX). 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 (24 flights)9a10 a.m. departures: too few flights (14 flights)10a11 a.m. departures: too few flights (35 flights)11anoon departures: too few flights (7 flights)12p1 p.m. departures: too few flights (8 flights)1p2 p.m. departures: too few flights (5 flights)2p3 p.m. departures: too few flights (38 flights)3p4 p.m. departures: too few flights (2 flights)4p5 p.m. departures: too few flights (4 flights)5p6 p.m. departures: 70% on time (193 flights)706p7 p.m. departures: 74% on time (100 flights)747p8 p.m. departures: too few flights (22 flights)8p
PHX → MEM, 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

By airline and hour

DepartsAmerican Airlines
6 p.m.70%
7 p.m.74%

By month

Each calendar month pooled over 2023–2026. Best: February (88%). Worst: July (56%).

40%70%100%Jan: 75% on time (106 flights)75JanFeb: 88% on time (115 flights)88FebMar: 69% on time (138 flights)69MarApr: 78% on time (121 flights)78AprMay: 76% on time (123 flights)76MayJun: 65% on time (117 flights)65JunJul: 56% on time (121 flights)56JulAug: too few flights (99 flights)AugSep: too few flights (98 flights)SepOct: 75% on time (137 flights)75OctNov: 78% on time (130 flights)78NovDec: 70% on time (121 flights)70Dec

By day of week

DayFlightsOn timeCancelled
Monday74——
Tuesday50——
Wednesday46——
Thursday70——
Friday75——
Saturday60——
Sunday83——

Why flights were late

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

Late inbound plane 41%Airline (crew, maintenance, ops) 34%Air traffic & airport (NAS) 20%Severe weather 3%Security 1%

Cancellations: weather 6

Month by month

Not enough months with data to draw a trend.

Worst days in the past year

DateFlightsOn timeCancelled
Mar 15, 2026333%0
Mar 22, 2026367%0
Jan 9, 20263100%0
Dec 1, 20253100%0

Questions

How often are flights from PHX to MEM on time?

73% of 458 scheduled flights from Phoenix, AZ to Memphis, TN 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 PHX to MEM?

Flights scheduled to leave at 7 p.m. were the most reliable (74% on time). The 6 p.m. departures were the least (70%).

Which airline is most on time from PHX to MEM?

American Airlines: 73% of its 344 flights on the route arrived on time. Southwest Airlines: 72%.

What month has the most delays from PHX to MEM?

July (56% on time). The best month is February (88%), over 2023–2026.

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.