ON TIMEBOARD

F9 4561 on time

Frontier Airlines 4561: New Orleans to Denver at 9:48 p.m. (past 12 months)

On time
72%
192 flights · likely 65–78%
Cancelled
2.6%
of scheduled flights
Typical arrival
−9 min
median vs schedule
When late
+93 min
average delay
Similar flights
70%
F9, same route & hour

About 1 in 4 F9 4561 flights from New Orleans arrived 15+ minutes late, diverted or cancelled over the past year (28%); 2.6% were cancelled. The typical flight landed 9 minutes early.

F9 4561: MSY → DEN

Scheduled to leave New Orleans at 9:48 p.m. local time. Over the past year it arrived on time 72% of the time (192 flights), in line with other F9 flights on the route at that hour (70%). Last seen in the data Aug 30, 2026.

Month by month

40%70%100%Aug 2025: too few flights (5 flights)AugOct 2025: too few flights (12 flights)OctNov 2025: 56% on time (18 flights)56NovDec 2025: 62% on time (21 flights)62DecJan 2026: 89% on time (19 flights)89JanFeb 2026: 80% on time (20 flights)80FebMar 2026: 73% on time (22 flights)73MarApr 2026: 71% on time (17 flights)71AprMay 2026: 83% on time (18 flights)83MayJun 2026: 75% on time (16 flights)75JunJul 2026: 71% on time (17 flights)71JulAug 2026: too few flights (12 flights)Aug

By day of week

DayFlightsOn time
Monday4475%
Tuesday4—
Wednesday2—
Thursday4558%
Friday3974%
Saturday11—
Sunday4785%

Why it was late

Late inbound plane 48%Airline (crew, maintenance, ops) 35%Air traffic & airport (NAS) 16%Severe weather 1%

All flights MSY → DEN · Connecting off F9 4561? Check the risk

Questions

How often is F9 4561 from MSY to DEN late?

Frontier Airlines 4561 from New Orleans, LA to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 28% of 192 scheduled flights between September 2025 and August 2026. 2.6% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Frontier Airlines for today's flight. Method.