ON TIMEBOARD

DL 4937 on time

Delta Air Lines 4937: Moline to Atlanta at 6:00 a.m. (past 12 months)

On time
88%
364 flights · likely 84–91%
Cancelled
1.7%
of scheduled flights
Typical arrival
−11 min
median vs schedule
When late
+115 min
average delay
Similar flights
87%
DL, same route & hour

About 1 in 8 DL 4937 flights from Moline arrived 15+ minutes late, diverted or cancelled over the past year (12%); 1.7% were cancelled. The typical flight landed 11 minutes early.

DL 4937: MLI → ATL

Scheduled to leave Moline at 6:00 a.m. local time, operated by Endeavor Air as 9E 4937. Over the past year it arrived on time 88% of the time (364 flights), in line with other DL flights on the route at that hour (87%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 100% on time (30 flights)100SepOct 2025: 90% on time (31 flights)90OctNov 2025: 90% on time (29 flights)90NovDec 2025: 84% on time (31 flights)84DecJan 2026: 84% on time (31 flights)84JanFeb 2026: 86% on time (28 flights)86FebMar 2026: 84% on time (31 flights)84MarApr 2026: 87% on time (30 flights)87AprMay 2026: 97% on time (31 flights)97MayJun 2026: 83% on time (30 flights)83JunJul 2026: 84% on time (31 flights)84JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday5387%
Tuesday5292%
Wednesday5298%
Thursday5288%
Friday5281%
Saturday5188%
Sunday5281%

Why it was late

Airline (crew, maintenance, ops) 53%Severe weather 26%Late inbound plane 13%Air traffic & airport (NAS) 8%

All flights MLI → ATL · Connecting off DL 4937? Check the risk

Questions

How often is DL 4937 from MLI to ATL late?

Delta Air Lines 4937 from Moline, IL to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 12% of 364 scheduled flights between September 2025 and August 2026. 1.7% 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 Delta Air Lines for today's flight. Method.