ON TIMEBOARD

DL 5303 on time

Delta Air Lines 5303: Pittsburgh to Detroit at 1:00 p.m. (past 12 months)

On time
80%
223 flights · likely 74–85%
Cancelled
2.2%
of scheduled flights
Typical arrival
−13 min
median vs schedule
When late
+100 min
average delay
Similar flights
89%
DL, same route & hour

About 1 in 5 DL 5303 flights from Pittsburgh arrived 15+ minutes late, diverted or cancelled over the past year (20%); 2.2% were cancelled. The typical flight landed 13 minutes early.

DL 5303: PIT → DTW

Scheduled to leave Pittsburgh at 1:00 p.m. local time, operated by Endeavor Air as 9E 5303. Over the past year it arrived on time 80% of the time (223 flights), worse than other DL flights on the route at that hour (89%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jun 2025: 90% on time (30 flights)90JunJul 2025: 65% on time (31 flights)65JulAug 2025: 95% on time (22 flights)95AugSep 2025: 95% on time (20 flights)95SepOct 2025: 97% on time (31 flights)97OctNov 2025: 96% on time (26 flights)96NovDec 2025: 76% on time (17 flights)76DecJan 2026: too few flights (12 flights)JanMay 2026: 80% on time (25 flights)80MayJun 2026: 67% on time (30 flights)67JunJul 2026: 71% on time (31 flights)71JulAug 2026: 68% on time (31 flights)68Aug

By day of week

DayFlightsOn time
Monday3376%
Tuesday3288%
Wednesday3288%
Thursday3379%
Friday3385%
Saturday2770%
Sunday3373%

Why it was late

Late inbound plane 77%Airline (crew, maintenance, ops) 18%Air traffic & airport (NAS) 3%Severe weather 2%

All flights PIT → DTW · Connecting off DL 5303? Check the risk

Questions

How often is DL 5303 from PIT to DTW late?

Delta Air Lines 5303 from Pittsburgh, PA to Detroit, MI arrived 15 or more minutes late, was diverted or was cancelled on 20% of 223 scheduled flights between September 2025 and August 2026. 2.2% 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 Delta Air Lines for today's flight. Method.