ON TIMEBOARD

F9 2144 on time

Frontier Airlines 2144: Chicago to Atlanta at 12:11 p.m. (past 12 months)

On time
61%
150 flights · likely 53–68%
Cancelled
2.7%
of scheduled flights
Typical arrival
−3 min
median vs schedule
When late
+61 min
average delay
Similar flights
67%
F9, same route & hour

About 1 in 3 F9 2144 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (39%); 2.7% were cancelled. The typical flight landed 3 minutes early.

F9 2144: MDW → ATL

Scheduled to leave Chicago at 12:11 p.m. local time. Over the past year it arrived on time 61% of the time (150 flights), worse than other F9 flights on the route at that hour (67%). Last seen in the data Aug 31, 2026.

Usually Frontier Airlines's last flight of the day from Chicago to Atlanta (95% of days). Frontier Airlines's last MDW–ATL flight was cancelled 1.5% of the time, against 4.0% for its earlier ones. If it's cancelled, the next Frontier Airlines flight is usually around 6:05 a.m. the next morning.

Month by month

30%65%100%Sep 2025: 81% on time (21 flights)81SepOct 2025: too few flights (10 flights)OctNov 2025: too few flights (3 flights)NovDec 2025: 70% on time (20 flights)70DecJan 2026: too few flights (3 flights)JanFeb 2026: too few flights (5 flights)FebMar 2026: too few flights (1 flights)MarApr 2026: too few flights (2 flights)AprMay 2026: too few flights (1 flights)MayJun 2026: 64% on time (22 flights)64JunJul 2026: 42% on time (31 flights)42JulAug 2026: 52% on time (31 flights)52Aug

By day of week

DayFlightsOn time
Monday2365%
Tuesday18—
Wednesday17—
Thursday2241%
Friday2763%
Saturday18—
Sunday2556%

Why it was late

Air traffic & airport (NAS) 37%Late inbound plane 35%Airline (crew, maintenance, ops) 27%Severe weather 1%

All flights MDW → ATL · Connecting off F9 2144? Check the risk

Questions

How often is F9 2144 from MDW to ATL late?

Frontier Airlines 2144 from Chicago, IL to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 39% of 150 scheduled flights between September 2025 and August 2026. 2.7% 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.